UltraGauge EM
INSTALLATION
&
OPERATION
Document Version 1.0
fo r
Hardware version EM1.2
(o r g reat er)
EM 1.2 began shipping 6/27/12 to US locations
And 7/9/12 Internationally
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WARNINGS
Information in this document is subject to change without notice. Ultra-Gauge.com reserves the right to change or improve its products
and to make changes in the content without obligation to notify any person or organization of such changes, additions or improvements.
Always visit Ultra-Gauge.com for the latest updates concerning the installation, use and operation of this product.
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WARNING !
Failure to avoid the following potentially hazardous situations can result in an accident or
collision resulting in death or serious injury
INSTALLATION WARNINGS
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When installing UltraGauge in your vehicle, place UltraGauge so that it does not obstruct the driver’s view of the road or ability
to operate the vehicle.
Extreme care must be taken when routing the OBD II cable. Avoid routing and installing in such a fashion that the cable can
interfere with any of the foot controls, steering wheel, or other vehicle controls, or represent an entry or exit hazard to the driver.
Always secure excess or loose cable so that feet and hands do no become entangled.
The windshield mount or Velcro mount may not stay attached under all conditions. Do not mount UltraGauge where it will
become a distraction or hazard should it become detached. Velcro fasteners are not recommended for surfaces that exceed 95
degrees Fahrenheit.
Do not mount UltraGauge in an area that may interfere with the deployment of airbags. Consult your vehicles owner’s manual.
UltraGauge in rare circumstances may impair select vehicle systems. See the Forced Protocol section for more information and
resolution.
Tightening the windshield mount locking ring will result in increased force necessary to adjust the position of UltraGauge and if
over tightened may result in damage. The ring should be adjusted so that the ball swivel offers a very slight resistance to
movement.
OPERATION WARNINGS
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Never attempt to operate UltraGauge controls while the vehicle is moving. Not only is this extremely hazardous, UltraGauge
stops performing mileage, distance and other calculations while the menu system is active.
Never become distracted by UltraGauge while driving.
Liability
The use of UltraGauge is at your own risk. Ultra-Gauge.com shall in no event be liable for any damages, whether direct or indirect,
special or general, consequential or incidental, arising from any loss claimed as a result of the use of UltraGauge.
Battery Warning
This product contains no batteries
Fuse Warning
This product is equipped with a fuse. The fuse is integrated in the male OBD-II connector and cannot be accessed or replaced.
This fuse provides protection against potential short-circuit conditions within UltraGauge and short-circuits introduced into the
cable.
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NOTICES
NOTICES
Windshield Mounting Legal Notice
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Some State laws and ordinances prohibit mounting devices to the windshield or any areas that obstruct visibility. It is the user’s
responsibility to check state and local laws and ordinances before mounting UltraGauge to insure compliance with all applicable
laws and ordinances. Where the windshield mount is prohibited, the Velcro mount can be used to mount UltraGauge in an area
compliant with applicable laws and ordinances. Velcro fasteners are not recommended for surfaces that exceed 95 degrees
Fahrenheit.
FCC Compliance
This device complies with part 15 of the FCC rules
Rights and Obligations
The software contained in UltraGauge may not be copied, transferred or disassembled and used in part or in whole. The artwork used in
the generation of UltraGauge electrical circuitry may not be replicated in part or in whole without express written permission from UltraGauge.com, Inc.
Limited Warranty
UltraGauge is warranted to be free from defects in materials and workmanship for one year and the windshield mount for 6 months from
the date of purchase. Within this period, Ultra-Gauge.com will, at its sole option, repair or replace any components that fail in normal
use. Such repairs or replacement will be made at no charge to the customer for parts and labor, provided that the customer shall be
responsible for transportation costs. This warranty does not apply to the following:
 Cosmetic damage, such as scratches, cracks, nicks and dents
 Damaged resulting from an impact or fall
 Damage to the OBD II cable such as cuts, slices, or crushed areas.
 Damage caused by accident, misuse, abuse, water, flood, fire or acts of nature
 Damage resulting from exceeding the temperature limits of -20F to 160F. Do not leave UltraGauge unattended and exposed to
extreme dash temperatures on hot days. Remove UltraGauge from the dash when leaving the vehicle or use a sunshade
protector.
 Damaged caused by attempted service by an unauthorized person
 Damaged caused by disassembly
 Damaged caused by modifications
 Damage caused by attachment to a vehicle not OBD-II compliant
 Damage from reverse polarity battery, battery charger, jumper cables, etc.
 Damage to the windshield mount caused by forcing the locking arm
 Damage to the windshield mounting bracket or UltraGauge caused by attempting to adjust the windshield mount’s flexible neck
by grasping UltraGauge or the mounting bracket, rather than the neck itself
 Damage to the windshield mount bracket or Ultragauge as a result of over tightening the windshield mount locking ring. The
windshield mount locking ring should be adjusted so that the ball swivel offers a very slight resistance to movement.
This product is intended as a supplement to existing vehicle gauges and should not be used in a capacity for which it was not intended.
Ultra-Gauge.com makes no warranty to the accuracy of gauges.
Repairs have a 90-day warranty. The resulting warranty is either the remainder of the original limited 1-year warranty or 90-days,
whichever is greater.
Ultra-Gauge.com retains the right to repair or replace, with a new or refurbished product, or offer a full refund.
To request warranty service, please create a support ticket here: http://ultra-gauge.com/customer_support
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UltraGauge EM Table of Contents
WARNINGS ............................................................................................................................................................... 2 INSTALLATION WARNINGS ............................................................................................................................. 2 OPERATION WARNINGS ................................................................................................................................... 2 Liability ................................................................................................................................................................... 2 Battery Warning ...................................................................................................................................................... 2 Fuse Warning .......................................................................................................................................................... 2 NOTICES................................................................................................................................................................ 3 NOTICES.................................................................................................................................................................... 3 Windshield Mounting Legal Notice........................................................................................................................ 3 FCC Compliance..................................................................................................................................................... 3 Rights and Obligations............................................................................................................................................ 3 Limited Warranty .................................................................................................................................................... 3 Box Contents............................................................................................................................................................... 8 UltraGauge™ EM Features ........................................................................................................................................ 8 Installation................................................................................................................................................................... 9 Detailed Installation instructions ............................................................................................................................ 9 Velcro .................................................................................................................................................................. 9 Windshield Mount ............................................................................................................................................. 10 Start-up & Configuration .......................................................................................................................................... 12 Other Setup Considerations .............................................................................................................................. 13 INDICATORS ...................................................................................................................................................... 15 HEALTH INDICATOR...................................................................................................................................... 15 LOOP INDICATOR .......................................................................................................................................... 15 Light Sensor .......................................................................................................................................................... 15 CONTROLS ......................................................................................................................................................... 15 PAGES .............................................................................................................................................................. 16 GAUGE ZONE ASSIGNMENT .......................................................................................................................... 17 GAUGES ................................................................................................................................................................... 18 % Engine Load .................................................................................................................................................. 19 Engine Coolant Temperature ............................................................................................................................ 19 Fuel Trim .......................................................................................................................................................... 19 Fuel Pressure ..................................................................................................................................................... 20 Intake Pressure (MAP) ...................................................................................................................................... 20 RPM .................................................................................................................................................................. 20 MPH / KPH ....................................................................................................................................................... 20 Ignition Timing Advance .................................................................................................................................. 20 Intake Air Temperature ..................................................................................................................................... 20 Mass Airflow 1 ................................................................................................................................................. 20 Throttle Position................................................................................................................................................ 20 O2 Sensor Output Voltage ................................................................................................................................. 21 Distance with Check Engine Light on .............................................................................................................. 21 Fuel Pressure (Diesel) ....................................................................................................................................... 21 Wide O2 Sensor Output lamda .......................................................................................................................... 21 EGR Commanded ............................................................................................................................................. 21 EGR Error ......................................................................................................................................................... 22 Evaporative Purge %......................................................................................................................................... 22 Fuel Level % ..................................................................................................................................................... 22 Warm-ups Since Trouble Codes Cleared .......................................................................................................... 22 ____________________________________________________________________________________________
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Distance Since Trouble Codes Cleared............................................................................................................. 22 Evaporative Vapor Pressure .............................................................................................................................. 22 Barometric Pressure .......................................................................................................................................... 22 Catalytic Converter Temperature ...................................................................................................................... 22 ECM Battery Voltage ....................................................................................................................................... 23 Load absolute % ................................................................................................................................................ 23 AFR Commanded ratio ..................................................................................................................................... 23 Relative Throttle Position % ............................................................................................................................. 23 Ambient Air Temperature ................................................................................................................................. 23 Accelerator Pedal Position ................................................................................................................................ 23 Throttle Position Commanded .......................................................................................................................... 23 Mass Air Flow 2................................................................................................................................................ 24 Instantaneous MPG, .......................................................................................................................................... 24 KPL, .................................................................................................................................................................. 24 L/100k ............................................................................................................................................................... 24 Average MPG ................................................................................................................................................... 24 Average KPL .................................................................................................................................................... 24 Average L/100k ................................................................................................................................................ 24 Average MPH ................................................................................................................................................... 24 Average KPH .................................................................................................................................................... 24 Fuel Rate ........................................................................................................................................................... 24 Distance............................................................................................................................................................. 24 TRIP GAUGES................................................................................................................................................. 25 Short TRIP GAUGES ....................................................................................................................................... 25 Boost Pressure................................................................................................................................................... 26 Horsepower 1 Kilowatts 1 ................................................................................................................................ 27 Torque 1 ............................................................................................................................................................ 27 Horsepower 2 Kilowatts 2 ................................................................................................................................ 27 Torque 2 ............................................................................................................................................................ 27 Fuel Level ......................................................................................................................................................... 28 RUN TIME (General) ....................................................................................................................................... 28 Instantaneous Gallons/Hour Liters/Hour .......................................................................................................... 28 Distance To Empty (DTE) ................................................................................................................................ 29 Time To Empty (TTE) ...................................................................................................................................... 29 Volumetric Efficiency % (MAP vehicles only) ................................................................................................ 30 UltraGauge Temperature .................................................................................................................................. 30 UltraGauge Battery Voltage ............................................................................................................................. 30 Gauge/Page Menu .. ................................................................................................................................................. 31 Select Gauges .. ..................................................................................................................................................... 31 Unassign All Gauges............................................................................................................................................. 31 Load Default Gauges ............................................................................................................................................ 31 Page Settings ............................................................................................................................................................ 32 Page Display Format ............................................................................................................................................. 32 Page Enables ......................................................................................................................................................... 32 Page Refresh Time ................................................................................................................................................ 32 Auto Page Advance............................................................................................................................................... 32 Auto Page Time .................................................................................................................................................... 32 Partial Tank fill up ................................................................................................................................................ 33 Empty Fuel Tank................................................................................................................................................... 33 Fuel fill up ............................................................................................................................................................. 33 ____________________________________________________________________________________________
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Level Sender Mode ............................................................................................................................................... 33 Disabled ............................................................................................................................................................ 33 Enabled ............................................................................................................................................................. 33 Smart ................................................................................................................................................................. 34 Smart Full Threshold ............................................................................................................................................ 34 Smart Low Threshold ........................................................................................................................................... 35 Estimate Fuel Level .............................................................................................................................................. 35 Vehicle Setup............................................................................................................................................................. 36 SET ENGINE SIZE .............................................................................................................................................. 36 SET FUEL TANK SIZE ....................................................................................................................................... 36 Calibration............................................................................................................................................................. 36 Calibrate MPG/Fuel ......................................................................................................................................... 36 Reset MPG/Fuel Cal ......................................................................................................................................... 37 Calibrate Distance ............................................................................................................................................ 37 VE Enable (MAP only) ......................................................................................................................................... 38 VE RPM (MAP only) ........................................................................................................................................... 38 More .. ................................................................................................................................................................... 38 Set HP1 Max Torque......................................................................................................................................... 38 Set HP2 Effieciency........................................................................................................................................... 38 Force Protocol ....................................................................................................................................................... 39 UltraGauge Setup.. ................................................................................................................................................... 40 Version .................................................................................................................................................................. 40 Save and Restart.................................................................................................................................................... 40 Restore ALL Defaults ........................................................................................................................................... 40 Factory Test .......................................................................................................................................................... 40 Compatibility .. ..................................................................................................................................................... 40 Power on Detect mode ...................................................................................................................................... 40 Set Battery Threshold........................................................................................................................................ 41 Power off Detect mode ...................................................................................................................................... 41 Power off retries ............................................................................................................................................... 42 KWP/9141 Optimize.......................................................................................................................................... 42 Force MPG Sensor ........................................................................................................................................... 42 Injector Cutoff....................................................................................................................................................... 43 DISPLAY SETTINGS.. .............................................................................................................................................. 44 SET Backlite Mode ............................................................................................................................................... 44 Fixed: ................................................................................................................................................................ 44 Automatic: ......................................................................................................................................................... 44 Backlite Min Brightness ....................................................................................................................................... 44 Backlite Max Brightness ....................................................................................................................................... 45 Ambient Sensitivity .............................................................................................................................................. 45 Adjust LCD Contrast ............................................................................................................................................ 45 ALARMS.................................................................................................................................................................... 46 Set Gauge Alarms .. .............................................................................................................................................. 46 Alarm siren on/off ................................................................................................................................................. 46 All alarms on/off ................................................................................................................................................... 46 Alarm siren freq .................................................................................................................................................... 46 Load Default Alarms............................................................................................................................................. 47 Pending TC Alarm ................................................................................................................................................ 49 Trouble Codes .. ........................................................................................................................................................ 50 Clear Check Engine .............................................................................................................................................. 50 ____________________________________________________________________________________________
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Engine Trouble Codes........................................................................................................................................... 50 Pending Codes ...................................................................................................................................................... 50 Miscellaneous ........................................................................................................................................................... 51 Units of Measure ................................................................................................................................................... 51 Using UltraGauge on more than one vehicle. ....................................................................................................... 51 Cleaning ................................................................................................................................................................ 51 Troubleshooting .................................................................................................................................................... 51 Specifications ........................................................................................................................................................ 52 Document Revision History .................................................................................................................................. 52 OBDII Compliancy decals .................................................................................................................................... 53 ____________________________________________________________________________________________
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Box Contents
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UltraGauge EM & OBDII Cable
UltraGauge protective plastic sleeve
Windshield mount assembly
Windshield bracket – already attached to UltraGauge
Two hook & loop fastener squares (AKA Velcro). Taped to the inside bottom of the box. Used for optional mounting.
Warning insert with link to Reward/Website.
UltraGauge™ EM Features
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Supports most 1996 and newer OBDII compliant vehicles***
Up to 78 selectable English Gauges*
Up to 46 selectable Metric Gauges*
New UG Battery Voltage (EM V1.2 or later)
Real time and long term mileage gauges
Distance-To-Empty & Time-to-Empty Gauges
Horsepower and torque gauges
7 pages of gauges for as many as 56 quickly accessible gauges
Each gauge page can be individually configured to display 4, 6, or 8 gauges.
Each gauge page can be enabled or disabled
Auto-Page advance, cycles through gauge pages
Each gauge can be assigned to any page and to multiple pages
The rate at which gauges are updated is configurable
Configurable low and high alarms for every gauge
Audible and Visual Alarms
Alarms may be individually suspended.
Displays both current and pending trouble codes
Clear Check Engine Light and Trouble Codes
Current and pending Trouble Code Alarms
Automatic fuel fill-up detection **
Oil change and Service Gauges
Trip and short trip Gauges
Health indicator
Internal Temperature sensor that can be monitored and alarmed
Closed and open loop indicator.
Large LCD Display
Display Brightness adjusts automatically to ambient light
Lightweight easy to route OBD II cable
Compact and easily mounted with Velcro or windshield mount
Low power
Retains configuration and accumulated data across power cycles
Automatically detects and turns off display when vehicle is off****
Comprehensive menu system
* Actual number of gauges supported is vehicle dependent
** Auto Fill-up detection is not available on all vehicles.
*** Some vehicles may not be OBD-II compliant. Compliance is printed on the emission decal typically located in the engine
compartment. See example compliance decals at the end of this document.
**** Display will remain on while in the menu system. Always exit the menu system when the ignition is in the OFF position.
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Installation
The Basic installations steps are as follows:
1. Choose method of mounting; Velcro or windshield mount
2. Install the mount
3. Attach UltraGauge to the mount
4. Optionally coil extra cable near UltraGauge to allow UltraGauge to be disconnected from mount and conveniently
configured
5. Route the remainder of the cable such that it is tucked away and does not interfere with vehicle controls, such as steering,
wiper control, transmission shifter, turn signal, foot controls, and does not represent a hazard to vehicle entry or exit.
6. Connect the UltraGauge OBD II connector to the OBD II connector on the vehicle
7. Turn the ignition to the RUN position. (The ignition has four positions: OFF, ACC, RUN & START. You do not need to
start the vehicle)
8. UltraGauge will then determine the vehicle’s protocol and discover the available gauges.
Detailed Installation instructions

Choose method for mounting; Velcro or windshield mount. The Velcro mount has the advantage that it can be used to attach in
areas less visible from outside the vehicle, reducing the risk of vandalism and theft. The Velcro mount is also less likely to
loose attachment over time and is inherently less obstructive.
Velcro fasteners are not recommended for surfaces that exceed
95 degrees Fahrenheit.
The windshield mount has the advantage that it typically positions UltraGauge in an area that is closer to the view of the
road and hence potentially represents less interruption to driving concentration. The windshield mount can also be attached
to any smooth surface and is therefore not limited to the windshield.
Velcro
The Velcro strip is comprised of two parts, a hook half and a loop half. Both the loop and hook halves use an adhesive face.
Either face can be attached to UltraGauge. Adhere the Velcro to UltraGauge according to one of the two diagrams below.
NOTE: Make sure the windshield mount bracket has first been
removed from UltraGauge
OPTION 1:
This is the preferred method providing the most resistant to
rotation. Cut one of the Velcro strips in half. Remove the
protective wax paper from one side of the Velcro. Press
Velcro adhesive face firmly against UltraGauge, as shown.
Avoid blocking the vent holes.
OPTION 2:
Remove the protective wax paper from one side of the each
Velcro Piece. Press each Velcro adhesive face firmly
against UltraGauge at the positions shown. Care should be
taken to avoid blocking the vent holes.
Ensure that the surface to which UltraGauge shall be attached is flat, smooth, clean and dry. Once the Velcro has been
firmly attached to the back face of UltraGauge, remove the remaining protective wax paper from the Velcro. Press
UltraGauge firmly against the desired mounting surface. UltraGauge is now mounted and can be removed and attached
repeatedly to configure as necessary.
It is also possible to place slugs or washer behind the UP, DOWN and MENU keys such that pressing the front of
UltraGauge depresses the switches, thus effectively converting the switches to the front.
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Windshield Mount
Before selecting a mounting position, check state and local laws and ordinances to determine permissible mounting
locations. Generally the preferred and optimal location is the left lower corner of the windshield, as this location is the
least obstructive, generally closest to the OBD-II connector of the vehicle, semi-shaded, and is least visible from outside
the vehicle. This location also will not block the use of a windshield sun-shade.
WARNING: Do not leave UltraGauge unattended and exposed to extreme dash temperatures on hot days. Damage to the
LCD can occur. Remove UltraGauge from the dash when leaving the vehicle or use a sunshade protector.
Locking Ring:
Over tightening the ring will lock the ball and attempted adjustments to the position of UltraGauge can
result in damage.
1.
Before attaching the mount to the windshield, mold the neck of the windshield mount as necessary to the slope of your
windshield and for the desired position of UltraGauge.
!
WARNING
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Never attempt to mold the neck of the windshield mount by grasping the mounting bracket or UltraGauge.
Damage to UltraGauge and/or the mounting bracket may occur, as the neck while flexible is relatively rigid.
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Clean the windshield mounting area. This is crucial as any grease, dust, dirt or moisture will ultimately cause the
attachment to fail. Make sure the surface is completely dry before
proceeding.
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Make sure the Windshield Mount locking arm is fully released. Do not force
the arm. There are two release tabs as shown. Grip the release tabs with
your thumb and index finger, and pull the release tabs in the direction of
the arrows imprinted on the release arm. This will release the locking
arm.
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Once released, move the locking arm towards the Windshield Mount’s
neck, as shown, to release the suction cup.
With the Windshield Mount’s release arm fully released, press the silicon
base firmly against the windshield, and press the Windshield mount’s
locking arm. It will “click” as it is pressed.
When it has reached the end of its travel it will become resistant to further
movement. Do not attempt to force the locking arm as only a few “clicks”
are necessary and excess force may damage the mount. The windshield
mount should now be firmly attached to the windshield. If not, it is likely
caused by the silicon base not being placed fully flat against the windshield.
Release the locking arm as described above and repeat.
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 Attach the mounting bracket adapter to UltraGauge such that the bracket’s
release arm is at the top as shown in this diagram.
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Attach the UltraGauge/Bracket assembly to the windshield mount by aligning
the large rectangular opening of the bracket with the matching rectangular
structure on the windshield mount. Slide down to attach. Note that it may
be necessary to rotate the windshield mount’s head 180 degrees.
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The windshield mount also includes a locking ring which can be optionally
loosely tightened to lock the swivel’s position.
1.
Remove and save the twist tie from
the cable. Now that UltraGauge is
mounted, form an 8” diameter loop
with the OBD-II cable near
UltraGauge. This loop will allow
UltraGauge to be removed from the
mount and configured rather than
attempting to configure UltraGauge
while it is held in the mount.
2.
Locate the vehicle’s OBD-II connector. This connector is typically found
above the foot controls and below the steering column. See the diagram
below. In rare cases, the connector may be found in a similar location on
the passenger side or even in the vehicle’s console. To determine where
the OBD-II connector is located for your vehicle, please use the following
resource: http://obdclearinghouse.com/index.php?body=oemdb
If your vehicle is not listed, check other like model years.
3.
Once the OBD-II connector is located, route the OBD-II cable so that it does not block or interfere with foot controls. The
UltraGauge connector is a right-angle connector. This design limits the connector from protruding into the foot controls
area. Tuck the cable into gaps between the dash and surrounding structures. Route the cable under the dash such that it
will not hang down into the foot control area. Care should be taken not to route the cable near moving objects, such as
the hood release, emergency brake, brake release, foot controls and associated mechanisms. If appropriate, use the
twist tie to secure any excess cable.
4.
Set the ignition to the RUN position, and plug the cable into the vehicle’s OBD-II connector.
OBD-II
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Start-up & Configuration
When UltraGauge is first attached to the vehicle’s OBD-II connector it is immediately powered, as the vehicle’s OBD-II connector is
always powered. Once connected UltraGauge will begin scanning the interface to determine the vehicle’s protocol. The vehicles
ignition must be in the RUN position in order for UltraGauge to communicate with the vehicle’s Electronic Control Module (ECM).
The ignition must remain in the RUN position during both scanning and gauge discover.
UltraGauge
The scanning process typically completes in 1 to 6 seconds. As UltraGauge
scans it continues to print asterisks to the screen. If after 12 seconds
UltraGauge has not found the protocol in use, it is likely that the ignition is not
in the RUN position. If UltraGauge fails to detect the vehicle’s computer and
protocol, UltraGauge will enter a low power mode after 2 minutes. In this
mode the Backlight is turned off. UltraGauge will stay in this mode until
either the UP or DOWN key is pressed.
When UltraGauge successfully determines the vehicle’s protocol, it replaces
“SCANNING” with the identified protocol. The possible Protocols are:
Protocol
Manufacturer
J1850 VPM
GM & Chrysler
FORD
Early Ford
9141
Chrysler & Foreign
KWP 2000
Rare, various
11-bit CAN
Most 2008 and newer
29-bit CAN
Most 2008 & newer Honda, Volvo
Once the protocol is identified, UltraGauge will remember the protocol and
should UltraGauge become unplugged, it will try this protocol first.
UltraGauge will then begin the process of discovering the gauges supported by
the vehicle. Again, the ignition must remain in the RUN position during
discovery; otherwise UltraGauge will print “Comm Lost, restarting”.
Once complete, the number of discovered gauges and the total including metric
gauges is briefly displayed at the bottom of the screen. If “Comm Lost,
restarting” persists, please see the Enhanced and Safe mode Gauge Discovery
section.
v1.0
* SCANNING
UltraGauge
v1.0
29-bit CAN
UltraGauge
v1.0
29-bit CAN
Discovering
Gauges: 31/54
If UltraGauge has yet to be configured, you will be prompted for your
vehicle’s engine and fuel tank size. Use the UP/DOWN keys to set the engine
and tank size. Press MENU to store each value.
SET ENGINE SIZE
(Liters)
0.1
Once the engine and tank size are entered, a warning screen is presented.
** WARNING **
Never use the Menu
while operating
the vehicle
Injury or Death
may occur
Press enter to continue
Inst
UltraGauge is now up and running
Pressing DOWN, advances the screen to the next page of gauges.
By default, several gauges are preselected. Alternate gauges can be selected via
the menu system. The available gauges are described in the GAUGES section.
Ave
MPH
Fue
l
0.00
0.00
0.00
Ave MPG
Gen
dst
DTE
0.00
0.0
0.00
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Other Setup Considerations
UltraGauge is pre-configured for the most compatible configuration. However, there are various implementations of the OBDII standard
that may require special configuration. The following suggests configuration settings that may be necessary depending upon your vehicle
as well as other configuration setting you should be aware of.
English versus Metric Units
There is no setting to switch between English and Metric units. UltraGauge supports both simultaneously. This allows either or both to
be displayed. For example, if you wish to display KPH and MPH, simply select KPH and MPH from the gauge selection menu and
assign them to positions on the display. By default, UltraGauge is shipped with a pre-selection of English gauges. Use the gauge
selection menu to select the desired gauges with the desired units.
Ignition on Detection
There are three “ignition on” or Power On detection modes. When the ignition is switched to OFF, UltraGauge enters a low power
mode where the display is powered off. When the ignition is switched from OFF to RUN, UltraGauge will detect this in 1-6 seconds and
power back on. If UltraGauge fails to power back on, please see the Power on Detect mode in the “UltraGauge setup..” section.
Ignition off Detection
If after the vehicle’s ignition switch is set to OFF, UltraGauge remains on, please see the
Power off Detect mode in the “UltraGauge Setup..section.
Mileage Gauges
During the scanning and gauge discovery process, UltraGauge determines the most accurate means to calculate fuel usage based upon the
various vehicle sensors available. Normally no intervention or configuration is necessary. However, in rare cases, some vehicles may
mis-report the presence of a particular sensor which UltraGauge will then attempt to use to calculate the various mileage gauges, such as
Instantaneous MPG, Average MPG, Gallons/Hour, etc. When this issue is present, many of the mileage gauges will display “Err”. Other
gauges such as engine temperature, RPM, MPH, etc., will display correctly This is common on many large Diesel Ford trucks. If seen,
please see the Force MPG Sensor section for more information
Impaired or odd behavior of vehicle systems
If after installing UltraGauge your vehicle is experiencing odd behavior, such as various dash lights have become lit, factory gauges stop
working, vehicle fails to shift, hard shifting, etc. Please see the following section: Force Protocol
MPG Accuracy
For best results, UltraGauge should be calibrated for both distance measurements and fuel measurement. See the following section:
Calibration.. Diesel vehicles must perform fuel calibration otherwise MPG and fuel gauges will be dramatically inaccurate. Vehicles
which use a Manifold Absolute Pressure (MAP) sensor instead of a Mass Air Flow (MAF) sensor should also see the following section:
VE Enable (MAP only)and VE RPM (MAP only).
To determine which sensor your vehicle uses see this section: Version.
Alarms
Certain Alarms come pre-enabled while others are disabled. Please see: ALARMS.. and Trouble Code Alarm.
KWP/9141 Optimization
The rate at which the display updates for vehicles with the KWP2000 or 9141 protocol may be slower than desired. There is a
configuration setting which may allow the rate to be increased. See the following setting: KWP/9141 Optimize
Enhanced and Safe mode Gauge Discovery
When UltraGauge is connected to the OBDII connector it begins scanning for the protocol supported. Once found UltraGauge then
discovers the available gauges. There are two discovery modes; Enhanced & Safe. By default Enhanced is selected and recommended.
If during the discovery process, with the ignition in the RUN position, the message “Comm lost, Restarting” is displayed, then press
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DOWN when prompted to enter Safe mode. UltraGauge will remember the mode selected. Once in Safe mode, the prompt will change
and pressing DOWN will return to Enhanced mode.
Injector Cutoff Detection
During de-acceleration, many vehicle manufacturers will turn off the fuel injectors to save fuel. UltraGauge can detect this and factor it
into the fuel usage calculations. Depending on your driving conditions, this may or may not have a significant effect on mileage results.
By default this feature is disabled. See the Injector Cutoff section for more information. This feature is not supported on Diesel vehicles
Use in Multiple Vehicles
UltraGauge can be moved from vehicle to vehicle. UltraGauge will scan and detect the protocol of the target vehicle automatically.
UltraGauge accumulates distance and fuel usage data. When moved to another vehicle the accumulated data will need to be reset. Also,
any unique configuration and calibration may need adjustment. For these reasons, it’s better to leave UltraGauge in one vehicle.
If you wish to move UltraGauge to another vehicle to use the trouble code functions, this can be done with no regard to configuration or
calibration. The only exceptions are if force protocol has been set or 9141 optimization has been executed. These configuration items
will need to be reset prior to moving to a different vehicle.
If you do wish to move to a new vehicle, reset the device using the restore defaults command:
Menu  UltraGauge Setup …  Restore ALL defaults.
This command will fully restore the device back to factory settings.
If things go wrong
UltraGauge can be reset and returned to the factory default settings. Should configuration changes result in an undesirable setup or
UltraGauge becomes impaired, please see the “R
Restore ALL Defaults” command
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OPERATION
Once operating, UltraGauge is automatic. NEVER use the menu system while driving. Not only is this hazardous, UltraGauge stops
performing all mileage, distance, and other calculations while the menu system is active. Always ensure the engine is not running, but
the ignition is in the RUN position, before using the menu system. Normally UltraGauge detects and automatically turns off the display
when the ignition is in the OFF position. However, this feature is not active while using the menu system. Always exit the menu when
the ignition is off otherwise the display and backlight will remain on, and may drain the battery if left in this state for many days.
INDICATORS
While configured to display 4 or 6 gauges per page, two indicators are displayed.
HEALTH INDICATOR
The Health indicator is a heart that beats roughly every second. As
long as the heart continues to beat, UltraGauge is functioning
normally.
Health Indicator
Inst
LOOP INDICATOR
Ave
MPH
Fue
l
0.00
0.00
0.00
Open/Closed
Loop Indicator
Ave MPG
Gen
dst
0.00
0.0
0.00
The Open/Closed loop indicator provides a visual indication of the
state of the vehicle’s fuel mixture control system. Closed loop is the
desired and nominal condition, and indicates that the vehicle’s
DTE
Engine Control Module (ECM) is using the vehicle’s Oxygen and
other sensors to set the real time fuel mixture.
Light Sensor
An open loop will normally occur when the vehicle is cold, or when
the throttle is wide open, or when the engine is being used to decelerate the vehicle. If the loop remains open this indicates that
there is a problem with the overall fuel mixture system and the ECM is no longer able to determine the correct fuel mixture. In
this situation the ECM uses a static table to approximate the fuel mixture. In this state the fuel mixture will likely be too rich or
too lean. Continued open loop operation will likely result in a Trouble code. This indicator is not present on most Diesels.
Light Sensor
UltraGauge features a light sensor that is used to optionally automatically adjust the brightness of the display. During the day, the
display backlight will automatically adjust to maximum brightness, and to minimum brightness for night driving. It is important that the
light sensor window is not blocked as a result of installation. The Light Sensor Port is located on the front right side of UltraGauge, as
shown above. The backlighting function is fully configurable. See the Backlighting section for additional details.
CONTROLS
There are three controls used to setup, configure and control UltraGauge. The controls consist of the following three input keys which
are located on the back of UltraGauge.
KEY
Function in Menu
Alternate Function
Used to enter the
Menu.
MENU
None
It is also used to
SELECT
indicate a selection.
From the main gauge screen,
pressing and holding UP for three
Moves the cursor
seconds triggers a Tank Fill Up.
UP
upward or increases
When in low-power mode,
the value of an entry.
pressing UP, exits low power
mode.
Two Alternate functions:
From the main gauge screen,
Moves the cursor
pressing DOWN will advance to
downward or
DOWN
decreases the value of the next page of gauges.
During an Alarm, pressing Down
an entry.
will suspend the alarm.
To make configuration changes, hold UltraGauge with the display towards you and manipulate the keys from behind using two hands.
Once you get the hang of it, it will be obvious.
When entering values, holding the UP or DOWN key pressed will cause the value to advance faster.
The Sound port is used to provide audible tones while accessing the menu system and for alarms.
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GAUGE PAGES & ZONES
UltraGauge can display seven separate pages of gauges. Each page can independently be configured to display 4, 6 or 8 gauges. Gauges
are displayed by assigning a gauge to a particular zone. Zones are identified by a number 1 through 8. Assigning a gauge to zone “1”,
places the Gauge in the upper left hand corner, as shown below. Likewise, a gauge assigned to Zone “6”, places the gauge in the lower
right hand corner. Zones that are unused on a page are ignored, but still may be assigned should you wish to switch between 4, 6 or 8
gauges per page.
During normal operation, to advance to the next page of gauges press and hold the DOWN arrow key for 1 second. UltraGauge will emit
a tone when the page advance is recognized. Pressing DOWN on the last enabled page returns the display to page 1.
Gauge Zone
Ordering
6 gauges
Per page
1
2
3
5
4
6
Page 1
Press
DOWN
4 gauges
Per page
1
2
3
4
Page 2
Press
DOWN
8 gauges
Per page
…
2
4
6
8
1
3
5
7
Page 7
Press
DOWN
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PAGES
Each of the seven pages can individually be enabled or disabled.
MENU  Gauge/Page Menu .. Select Gauge/Page ..  Page settings ..  Page Enables
A disabled page will be skipped when the page is manually or auto advanced.
Each page can be configured to display 4, 6 or 8 Gauges.
MENU  Gauge/Page Menu .. Select Gauge/Page ..  Page settings ..  Page Display Format
Any gauge can be assigned to any zone on any page. A gauge can be assigned to one or all pages. For example, RPM could be
assigned to zone 1 on all seven pages. A gauge can only be assigned once on any given page.
If enabled, the auto page advance feature will cycle through each enabled page.
MENU  Gauge/Page Menu .. Select Gauge/Page ..  Page settings ..  Auto Page Advance
Pressing the “DOWN” key while auto-page is enabled, will cause the auto page feature to pause at the current page. Pressing
“DOWN” again will resume auto-page advance
The duration that a given page is displayed is configurable from 1-255 seconds. Each page can have a unique duration if
desired.
MENU  Gauge/Page Menu .. Select Gauge/Page ..  Page settings ..  Auto Page Time
The Rate at which gauges are updated is configurable from 0.3 seconds to 2 seconds.
MENU  Gauge/Page Menu .. Select Gauge/Page ..  Page settings ..  Page Refresh Time
The set Refresh time applies to every page. This setting also affects the rate at which the Heart Beat indicator beats. Lowering
the refresh time, increases the heart beat rate and the rate at which gauges are updated. This setting is intended for vehicles with
the CAN protocol and is not recommended for KWP and 9141 protocols.
GAUGE ZONE ASSIGNMENT
To assign a gauge to a page and zone:
1. select MENU  Gauge/Page Menu .. Select Gauge/Page ..  Select Gauges  Select Page n Gauges
2. Use the UP & DOWN keys to Navigate to the desired Gauge. Press Next or Back to advance to the next group of gauges
3. While the cursor is positioned next to the desired gauge, Press MENU. This will cause the cursor to blink.
4. Pressing UP or DOWN will cause the Cursor to change to a number corresponding to Zones 1-8. You may also continue to
hold UP or DOWN and the zones will advance automatically.
5. When the desired Zone is displayed, Press MENU to assign the Gauge to that Zone. Once assigned the cursor will stop
blinking.
6. Repeat the operation for each desired Gauge.
vZone
BACK
NEXT
% Engine Load
1 Coolant Temp
Intake Pressure
RPM
MPH
Timing Advance
2 Intake Air Temp
Once a gauge has been assigned to a zone, it is saved. The UltraGauge configuration is stored in non-volatile memory so that it is
preserved through car start/stop cycles or when the unit is unplugged. The configuration remains until changed.
All the gauges can be unassigned, with the menu item:
MENU  Gauge/Page Menu ..  Select Gauge/Page ..  Unassign All Gauges.
Once unassigned the Main Gauge screen will show no gauges, and will only show the loop indicator and heartbeat and the text: “No
Gauges Selected”. This will be true for each gauge page set to display 4 or 6 gauges. This will also be true on a gauge page basis if all
the zones of a page are unassigned manually as part of the gauge zone assignment process.
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GAUGES
The total potential available gauges is summarized in Table 1 - Potential Available Gauges. The actual gauges available is always
vehicle dependent. Once the initial gauge discovery process is complete, the number of available gauges and the number including
metric will be displayed; Gauges/Metric. To determine which specific gauges are available, select:
MENU  Gauge/Page Menu ..  Select Gauges..  Select Page n Gauges
In general vehicle manufacturers are federally required to report gauges that are specifically used in the determination of the fuel mixture
for emissions purposes. Typically older vehicles provide a minimum of gauges while many newer vehicles support nearly all gauges.
Table 1 - Potential Available Gauges
English Gauge
Metric Gauge
English Gauge
Metric Gauge
% Engine Load
Engine Coolant Temperature (ºF)
Short Term Fuel Trim Bank 1
Long Term Fuel Trim Bank 1
Short Term Fuel Trim Bank 2
Long Term Fuel Trim Bank 2
Fuel Pressure (PSI)
Intake Manifold Absolute
Pressure(MAP) (PSI)
RPM
MPH
Timing Advance
Intake Air Temperature (ºF)
Mass Air Flow Sensor 1 (g/s)
Absolute Throttle Position 1 %
Bank 1 0xygen Sensor 1 Voltage
Bank 1 0xygen Sensor 2 Voltage
Bank 2 0xygen Sensor 1 Voltage
Bank 2 0xygen Sensor 2 Voltage
Miles traveled with Check Engine Light
On.
Fuel Pressure (Diesel) (PSI)
Bank 1 Wide 0xygen Sensor 1
Lambda
Bank 2 Wide 0xygen Sensor 1
Lambda
EGR Flow %
EGR Flow % Error
Evaporative Purge %
Fuel Level % of full
Number of Warm-ups since Check
Engine Light Cleared
Engine Coolant Temperature (ºC)
Fuel Pressure (kPa)
Intake Manifold Absolute
Pressure(MAP) (kPa)
KPH
Intake Air Temperature (ºC)
Kilometers traveled with Check
Engine Light On.
Fuel Pressure (Diesel) (10kPa)
Instantaneous MPG
Average MPG – General
Average MPH – General
Average G/H - General
Run Time – General
Miles – General
Gallons Used – General
Instantaneous Gallons/Hour
Miles to Empty
Fuel Level (gallons)
Time to Empty(TTE) (Hours:Mins)
Volumetric Efficiency (MAP vehicles
only)
Average MPH – Trip
Average MPG – Trip
Gallons Used – Trip
Miles traveled since Check Engine
Light Cleared
Kilometers traveled since Check
Engine Light Cleared
Evaporative Vapor Pressure (PSI)
Barometric Pressure – Inches of
Mercury (inHg)
Catalytic Converter Bank 1 Sensor 1
Temperature (ºF)
Catalytic Converter Bank 2 Sensor 1
Temperature (ºF)
Catalytic Converter Bank 1 Sensor 2
Temperature (ºF)
Catalytic Converter Bank 2 Sensor 2
Temperature (ºF)
ECM Battery Voltage
Evaporative Vapor Pressure (Pa)
Barometric Pressure – Inches of
Mercury (kPa)
Catalytic Converter Bank 1 Sensor 1
Temperature (ºC)
Catalytic Converter Bank 2 Sensor 1
Temperature (ºC)
Catalytic Converter Bank 1 Sensor 2
Temperature (ºC)
Catalytic Converter Bank 2 Sensor 2
Temperature (ºC)
Boost Pressure, Relative
Pressure (kPa)
Brake Kilowatts 1
Torque 1 (N.m)
Brake Kilowatts 2
Torque 2 (N.m)
Instantaneous KPL
Instantaneous L/100Km
Average KPL – General
Average L/100Km – General
Average KPH – General
Average L/H - General
Kilometers – General
Liters Used – General
Instantaneous Liters/Hour
Kilometers to Empty
Fuel Level (Liters)
Average KPH – Trip
Average KPL – Trip
Average L/100Km - Trip
Liters Used - trip
Average Gallons/Hour – trip
Run Time – Trip (Hours:Minutes)
Miles –Trip
Kilometers - Trip
Average MPH – Short Trip
Average KPH – Short Trip
Average MPG – Short Trip
Gallons Used – Short Trip
Average Gallons/Hour – Short Trip
Average Liters/Hour – trip
Average KPL – Short Trip
Average L/100Km - Short
Trip
Liters Used - Short Trip
Average Liters/Hour – Short
Trip
Run Time – Srt Trip (Hours:Minutes)
Miles – Short Trip
Oil Change Distance (miles)
Kilometers - Short Trip
Oil Change Distance (Km)
Service Distance (miles)
Service Distance (Km)
UltraGauge Internal
UltraGauge Internal Temperature (ºF)
Temperature (ºC)
UltraGauge Voltage
Load absolute %
AFR Commanded Ratio
Relative Throttle Position %
Outside Ambient Air Temperature (ºF)
Boost Pressure, Relative Pressure
(PSI)
Brake Horsepower 1
Torque 1 (ft lbs)
Brake Horsepower 2
Torque 2 (ft lbs)
Mass Air Flow Sensor 2 – Calculated
Outside Ambient Air Temperature
(ºC)
Absolute Throttle Position 2 %
Accelerator Pedal Position 1 %
Accelerator Pedal Position 2 %
Command Throttle Position %
Gauges in Blue are new for UltraGauge EM 1.2
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% Engine Load
Gauge name
Range
Units
Abbreviation
% Engine Load
0 to 100
%
%Eng load
Estimated percent of engine load. Where engine load is
calculated as
% Load = (Current Air flow)
(Peak Air Flow)
Or
% Load = (Current Engine Torque)
(Peak Engine Torque)
The method used is vehicle dependent.
Engine Coolant
Temperature
Gauge name
Range
Units
Abbreviation
-40.0 to 419.9
Coolant Temp ºF
ºF
Eng ºF
-40.0 to 215
Coolant Temp ºC
ºC
Eng ºC
Derived directly from the engine coolant temperature sensor or a cylinder head
temperature sensor. Diesels may report engine oil temperature instead.
Fuel Trim
Gauge name
Shrt fuel trim bank1
Long fuel trim bank1
Shrt fuel trim bank2
Long fuel trim bank2
Range
Units
-100% to 99.2%
Percent of
typical
Abbreviation
Srt tr1
Lng tr1
Srt tr2
Lng tr2
Fuel trim refers to the fine tune control of fuel delivery and specifically indicates adjustments made dynamically to the base fuel
table to obtain the proper ratio of fuel to air. The fuel-to-air ratio is adjusted by increasing or decreasing the time fuel injectors
are open. Note that fuel injectors are either fully open or fully closed - there is no variable opening.
Fuel trim is generally calculated by using a wide set of data values, including forward O2 sensors, intake air
temperature/pressure or air mass sensor, barometric pressure, humidity, engine coolant temp, anti-knock sensors, engine load,
throttle position , and battery voltage.
Short term fuel trim refers to adjustments being made in response to temporary short term conditions.
Long term fuel trim is used to compensate for issues that seem to be present over a much longer period or that are essentially
permanent. Long term fuel trim generally should not exceed +- 10% in most vehicles.
Fuel trims are expressed in percentages with a range of -100% to 99.2% of nominal. Positive values indicate a lean condition
exists and the injector is left open longer to compensate, thus adding more fuel. Negative values indicate a rich condition exists
and the injectors are closed more quickly thus reducing the amount of fuel.
Example: A value of 5.0% indicates that the injector is being left open 5% longer than normal, thus the fuel to air ratio is being
increased.
Fuel trim could more appropriately be called “Injection on-time %”.
Fuel trim banks refer to the cylinder banks in a V style engine. Cylinder #1 is always in bank 1. Even though the engine may
contain two physical banks, only a single bank may be reported by the ECM. UltraGauge displays Fuel Trim Banks One and
Two if reported by the vehicle’s engine computer. For those vehicles with three or four banks, only banks one and two will be
available for display on UltraGauge.
UltraGauge supports the following Fuel Trim Gauges:
Short Term Fuel Trim percentage Bank 1
Short Term Fuel Trim percentage Bank 2
Long Term Fuel Trim percentage Bank 1
Long Term Fuel Trim percentage Bank 2
NOTE: If the engine is operating in Open Loop, the short trim will be reported as 0%.
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Fuel Pressure
Gauge name
Range
Units
Fuel Pressure PSI
0 to 111
PSI
Fuel Pressure kPa
0 to 765
kPa
Fuel rail pressure at the engine relative to atmosphere (Gauge pressure)
Intake Pressure
(MAP)
Gauge name
Range
Units
Abbreviation
Intake Pres abs PSI
0 to 36.98
PSI
MAP PSI
Intake Pres abs kPa
0 to 255
kPa
MAP kPa
Intake Manifold Absolute Pressure (MAP). This is absolute pressure as opposed to being
relative to atmosphere (gauge pressure).
The pressure reported is the pressure above absolute vacuum. When this gauge reports 14.7
PSI, that means the pressure in the manifold is the same as that of outside air (at sea level).
RPM
Gauge name
Range
RPM
0 to 16,384
Rotations per minute of the engine crankshaft
Units
RPM
Abbreviation
RPM
MPH / KPH
Gauge name
MPH
KPH
Vehicle road speed
Units
MPH
KPH
Abbreviation
MPH
KPH
Ignition Timing
Advance
Gauge name
Range
Units
Abbreviation
Timing Advance
-64 to 63.5
degrees
Tmg Adv
Ignition timing spark advance in degrees before top dead center for cylinder #1. Does not
include mechanical advance, if any.
Intake Air
Temperature
Gauge name
Range
Units
Abbreviation
ºF
Intake Air Temp ºF
-40.0 to 419.9
Intk ºF
ºC
Intake Air Temp ºC
-40.0 to 215
Intk ºC
The temperature of the air in the intake manifold. When the engine is cold, this is equivalent
to outside air temperature
Mass Airflow 1
Gauge name
Range
Units
Abbreviation
Mass Air Flow 1 g/s
0 to 655.35
grams/second
MA1 g/s
The Mass Airflow rate of air into the intake manifold. This is the raw un-calibrated sensor
output. The sister gauge, “Mass Airflow 2” is the calibrated or calculated version
Gauge name
Range
Units
Abbreviation
Throttle Position 1 %
abs TP1%
0 to 100
%
Throttle Position 2 %
abs TP2%
The percentage that the throttle is open. This is the absolute output from the throttle position
sensor as a percent of the TP Sensor’s max value. The closed and wide open throttle positions
will likely not be equal to 0% and 100% respectively. For example, the physically closed
throttle position may correspond to an absolute position of 8%.
“Throttle Position 2” is for vehicles with a second throttle Position Sensor
Throttle Position
Range
0 to 158.4
0 to 255
Abbreviation
Fuel PSI
Fuel kPa
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O2 Sensor
Output Voltage
Gauge name
Range
Units
Abbreviation
Bank1 O2 Sensor 1 Voltage
Bnk1 O2 1
Bank1 O2 Sensor 2 Voltage
Bnk1 O2 2
Bank1 O2 Sensor 3 Voltage
Bnk1 O2 3
Bank1 O2 Sensor 4 Voltage
Bnk1 O2 4
0 to 1.275
Volts
Bank2 O2 Sensor 1 Voltage
Bnk2 O2 1
Bank2 O2 Sensor 2 Voltage
Bnk2 O2 2
Bank2 O2 Sensor 3 Voltage
Bnk2 O2 3
Bank2 O2 Sensor 4 Voltage
Bnk2 O2 4
Raw output from the O2 sensor. 0 volts is equivalent of 100% lean fuel air mixture and 1.275
volts is 99.2% rich fuel air mixture. Bank1 is the cylinder bank with spark plug #1.
Typically only two O2 sensors are present, one on each bank.
Distance with
Check Engine
Light on
Gauge name
Range
Units
Miles with CEL on
0 to 40,722
miles
Kilometers w/CEL on
0 to 40,722
kilometers
Distance traveled since the Check Engine Light (CEL) illuminated.
Fuel Pressure
(Diesel)
Gauge name
Range
Units
Abbreviation
Fuel Rail diesel PSI
0 to 95,050
PSI
FR PSI
Fuel Rail dsl 10kPa
0 to 65535
10kPa
FR 10k
Fuel rail pressure at the engine relative to atmosphere (Gauge pressure), in Pounds per Square
Inch (PSI).
Wide O2 Sensor
Output lamda
Gauge name
Range
Units
Abbreviation
Bank1 wide O2 Sensor 1 lambda
Bnk1 λ1
Bank1 wide O2 Sensor 2 lambda
Bnk1 λ2
Bank1 wide O2 Sensor 3 lambda
Bnk1 λ3
Bank1 wide O2 Sensor 4 lambda
Bnk1 λ4
0 to 1.999
N/A
Bank2 wide O2 Sensor 1 lambda
Bnk2 λ1
Bank2 wide O2 Sensor 2 lambda
Bnk2 λ2
Bank2 wide O2 Sensor 3 lambda
Bnk2 λ3
Bank2 wide O2 Sensor 4 lambda
Bnk2 λ4
Wide band O2 sensor output Lambda. Lambda is the measure of the actual Air to Fuel ratio as
compared to the ideal or Stoichiometric value. It is a ratio and has no units.
Abbreviation
mi CEL
km CEL
λ = AirMASS/FuelMASS (Actual)
AirMASS/FuelMASS (Stoichiometric)
λ = 1 = ideal mixture
λ > 1 = lean mixture
λ < 1 = rich mixture
EGR
Commanded
Gauge name
Range
Units
Abbreviation
EGR % Flow
0 to 100
%
EGR% flow
The percent of flow through the Exhaust Gas Recirculation (EGR) valve, where 0% is closed
and 100% is wide open. This is the commanded value indicating that the Engine Control
Module (ECM) is requesting the EGR to have the desired flow. The actual flow may be
different if there is an issue with the EGR.
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EGR Error
Gauge name
Range
Units
Abbreviation
EGR % Error
0 to 100
%
EGR %Err
Exhaust Gas Recirculation (EGR) valve error is a percent of commanded EGR
EGR Error = EGR (actual) – EGR (commanded) X 100
EGR (commanded)
For example, if 20% EGR flow is commanded and 15% is actually delivered, then EGR Error
is (15-20)/20 x 100 = -25%
Evaporative
Purge %
Gauge name
Range
Units
Abbreviation
Evaporative Purge %
0 to 100
%
Evap %Prg
Commanded Evaporative Purge percent. A value of 0% is no flow, and a value of 100% is
wide open maximum flow. This is a commanded value indicating that the ECM is requesting
the % flow. The actual flow may not match.
Fuel Level %
Gauge name
Range
Units
Abbreviation
Fuel Level %
0 to 100
%
Fuel Lvl%
This is the raw output of the fuel tank level sensor. However, this input is averaged such that
sloshing will not cause erratic behavior. The fuel sensor is sampled every second and
averaged with the previous 30 samples.
Warm-ups Since Trouble
Codes Cleared
Distance Since Trouble
Codes Cleared
Gauge name
Range
Units
Abbreviation
Warm ups - TC
0 to 255
Warm ups
Wups TC
cleard
Once trouble codes are cleared, this gauge counts the number of times the engine
temperature rises from 40 F to 160 F, or 140F for diesels. The max count value
is 255. Once 255 is reached, the count will remain at 255 until trouble codes are
again cleared.
Gauge name
Range
Units
Abbreviation
mi since TC cleard
0 to 40,722
miles
mi TC
km since TC cleard
0 to 65,535
kilometers
km TC
Once trouble codes are cleared, this gauge measures the number of miles driven.
The max value is 40,722 miles. Once 40,722 miles is reached, the count will
remain at 40,722 until trouble codes are again cleared.
Evaporative
Vapor Pressure
Barometric
Pressure
Catalytic
Converter
Temperature
Gauge name
Range
Units
Abbreviation
Evap Vapor PSI
-1.188 to 1.188
PSI
Evp PSI
Evap Vapor Pa
-8192 to 8192
Pa
Evp Pa
This pressure value is normally obtained from a sensor located in the fuel tank or a sensor in
an evaporative system vapor line.
Gauge name
Range
Units
Abbreviation
Barometric inHg
0 to 75.3
inHg
Baro inHg
Barometric kPa
0 to 255
kPa
Baro kPa
Barometric pressure
Gauge name
Range
Units
Abbreviation
Cat Bank 1 Sensor 1 Temperature
Cat B1S1
ºF
Cat Bank 2 Sensor 1 Temperature
Cat B2S1
-40 to 11,756
-40 to 6514
Cat Bank 1 Sensor 2 Temperature
Cat B1S2
ºC
Cat Bank 2 Sensor 2 Temperature
Cat B2S2
Catalytic Converter temperature. Bank1 is the Cat through which the exhaust from cylinder #1
passes. Typical temps should not exceed 900ºC / 1650ºF. Excess temps can damage the
converter.
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ECM Battery
Voltage
Gauge name
Range
Units
Abbreviation
ECM Battery Voltage
0 to 65.535
Volts
Bat volt
Voltage as measured at and by the Electronic Control Module. This is typically the same as
Battery voltage. See also UG Battery Voltage.
Load absolute %
Gauge name
Range
Units
Abbreviation
0 to 95
%
Load abs%
Load absolute %
0 to 400
Alternate to “% Engine Load” this gauge ranges from 0 to 95% for normally aspirated engines
and 0 to 400% for boosted engines. This gauge is linearly correlated to Brake Torque
AFR
Commanded
ratio
Gauge name
Range
Units
Abbreviation
AFR commanded ratio
0 to 1.999
AFR cmd
Fuel Air Commanded ratio. This is the value of Lambda requested by the ECM
= (Stoichiometric F/A ratio) / (Actual F/A ratio) >1 is lean, <1 is rich.
To determine the actual A/F ratio commanded, multiply this value by 14.64
For example. If this value is 0.90, the commanded Air Fuel Ration is 0.90* 14.64 = 13.17
parts air to one part fuel.
Relative Throttle
Position %
Gauge name
Range
Units
Abbreviation
Rel Throttle Pos %
0 to 100
%
Rel TP %
Relative or learned throttle position. A throttle position sensor may never return to its
minimum position, but instead closed throttle may always be greater than the TP Sensor’s
absolute minimum. This throttle position gauge adjusts for this true closed throttle position.
When the throttle is closed, this gauge will read 0% regardless of the details of the absolute
throttle position. The relative position value is calculated as follows:
Relative % = (TP output) – (TP output closed) X 100
(TP output max)
Ambient Air
Temperature
Accelerator
Pedal Position
Throttle Position
Commanded
Example: If the output of the TP is 1V when closed and 10 volt when wide open, an output of
5V would be: (5-1)/10*100 = 40%
Note: This means that this gauge will likely never reach 100%
Gauge name
Range
Units
Abbreviation
Ambient Air Temp ºF
ºF
-40.0 to 419.9
Amb ºF
Ambient Air Temp ºC
ºC
-40.0 to 215
Amb ºC
Outside ambient air temperature
Gauge name
Range
Units
Abbreviation
Accel Pedal Pos1 %
Ped1 Pos%
0 to 100
%
Accel Pedal Pos2 %
Ped2 Pos%
The percentage that the throttle Accelerator Pedal is pressed. This is the absolute output from
the accelerator pedal position sensor as a percent of the sensor’s max value. The un-pressed
and fully pressed positions will likely not be equal to 0% and 100% respectively. For
example, the physically un-pressed position may correspond to an absolute position of 8%.
Pedal Position 2 is for vehicles with a second throttle Position Sensor
Gauge name
Range
Units
Abbreviation
Cmd Throttle Pos %
0 to 100
%
Cmd TP %
The percent throttle requested by the ECM. Used on electrically driven throttles.
When the driver presses the accelerator pedal, the ECM converts the output of the Pedal
position sensor to a corresponding throttle position commanded %. The electrical throttle
position drive then opens the throttle by the commanded %.
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Mass Air Flow 2
Instantaneous
MPG,
KPL,
L/100k
Average MPG
Average KPL
Average L/100k
Gauge name
Range
Units
Abbreviation
Mass Air Flow 2 g/s
0-999.9
grams/second
MA2 g/s
Mass Air Flow (MAF) is the Mass of air entering into the engine. On vehicles with actual
MAF Sensors, there will be two gauges, this gauge and Mass Air Flow 1. Mass Air Flow 1 is
the raw output from the MAF sensor, whereas Mass Air Flow Sensor 2 is the calibrated
version used by UltraGauge to calculate MPG.
The Mass Air Flow is calculated for vehicles that do not have a MAF sensor but rather use a
MAP (manifold absolute pressure) sensor. In this case, MAF is calculated by monitoring
several engine sensors, such as MAP, RPM, Vehicle Speed and others.
Gauge name
Instantaneous MPG
Instantaneous KPL
Instantaneous L/100k
Range
0 to 999.9
0 to 999.9
0 to 999.9
Units
Miles/gallon
Kilometers/Liter
Liters /100 Kilometers
Abbreviation
Inst MPG
Inst KPL
Inst L/K
Instantaneous Fuel Economy
Gauge name
Range
Units
Abbreviation
Average MPG - general
0 to 999.9
Miles/gallon
Ave MPG
Average KPL - general
0 to 999.9
Kilometers/Liter
Ave KPL
Average L/100k -general
0 to 999.9
Liters /100 Kilometers
Ave L/K
Average Fuel Economy. Average fuel economy is calculated based upon the actual fuel used
and the distance traveled. Part of the Group of “General” gauges…. as opposed to “Trip”
Gauges. This gauge is reset by selecting:
MENU  Gauge/Page Menu ..  Zero Ave MPG, G/H
Average MPH
Average KPH
Gauge name
Range
Units
Abbreviation
Average MPH - general
0 to 999.9
Miles/hour
Ave MPH
Average KPH - general
0 to 999.9
Kilometers/hour
Ave KPH
Average speed. Part of the Group of “General” gauges…. as opposed to “Trip Gauges.
Reset by selection MENU  Gauge/Page Menu ..  Zero Ave Speed
Fuel Rate
Gauge name
Range
Units
Abbreviation
Ave Gallons/Hr
0 to 99.99
Gallons/Hour
Ave G/H
Ave Liters/Hr
0 to 99.99
Liters/Hour
Ave L/H
Average Fuel rate since last reset. Part of the Group of “General” gauges…. as opposed to
“Trip” Gauges. These gauges are reset by resetting the Average MPG:
MENU  Gauge/Page Menu ..  Zero Ave MPG
Distance
Gauge name
Range
Units
Abbreviation
Distance - general
Gen dst
Distance - trip
Trp dst
0 to 99999
Miles
0 to 99999
Kilometers
Distance - Oil
Oil dst
Distance - Service
Srv dst
All four distances gauges can independently measure miles traveled and can be used for any
purpose desired
Intended to track the miles since the last oil change. With each oil change, reset this gauge:
MENU  Gauge/Page Menu ..  Zero Oil Distance. By Default the Oil Distance alarm is
enabled and set to 3000 miles.
Intended to track service intervals such as 15K, 30K or 60K mile service intervals.
Reset: MENU  Gauge/Page Menu ..  Zero Service Dist. Use in combination with
Alarms for maximum effectiveness. By default this alarm is disabled.
Trip Distance is part of the group of five trip gauges. All trip gauges are reset as a group.
MENU  Gauge/Page Menu ..  Zero All Trip
Primarily used to calculate Average Miles per Gallon. Normally an internal value, but made
available to aid in understanding the Average MPG Calculation. Average MPG is found by
dividing General Distance by Gallons used, where Gallons is “Gallons – general”.
This gauge is reset by resetting the Average MPG:
MENU  Gauge/Page Menu ..  Zero Ave MPG
Oil
Service
Trip
General
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TRIP GAUGES
Distance
Average
MPG, KPH,
L/100km
Average
speed
Fuel Used
Fuel rate
Run Time
Short TRIP
GAUGES
Gauge name
Range
Units
Abbreviation
Trip Miles
0 to 99,999
Miles
mi trp
Trip Kilometers
0 to 99,999
Kilometers
km trp
Trip Average MPG
0 to 999.9
Miles/gallon
MPG trp
Trip Average KPL
0 to 999.9
Kilometers/Liter
KPL trp
Trip Average L/100km
0 to 999.9
Liters/100km
L/K trp
Trip Ave MPH
0 to 999.9
Miles/hour
MPH trp
Trip Ave KPH
0 to 999.9
Kilometers/hour
KPH trp
Trip Gallons used
0 to 999.9
Gallons
Gals trp
Trip Liters used
0 to 999.9
Liters
Ltrs trp
Trip Ave Gallons/Hour
0 to 99.99
Gallons/hour
G/H trp
Trip Ave Liters/Hour
0 to 99.99
Liters/hour
L/H trp
Trip Run Time
0 to 999.59
Hours:minutes
Run trp
All trip gauges are zeroed by selecting: MENU  Gauge/Page Menu ..  Zero All Trip
Trip data is saved each time the ignition is set from RUN to OFF. Never unplug UltraGauge
while the engine is running or current trip data will be lost.
Distance traveled since trip was reset
Average fuel economy. Based upon trip Fuel used and trip Distance
Average speed accumulated since trip was reset.
Fuel used since trip was reset.
Average Fuel rate since trip was last reset.
Run time in hours: minutes. This timer is runs only when the engine runs. When the max
value of 999 hours and 59 minutes is reached this timer stops.
NOTE: The alarm for this gauge is set in hours and fractions of hours, not Hours and
minutes. A setting of 0.5 is 30 minutes.
Gauge name
Srt Trip Miles
Srt Trip Kilometers
Srt Trip Average MPG
Srt Trip Average KPL
Srt Trip Average L/100km
Srt Trip Average MPH
Srt Trip Average KPH
Srt Trip Gallons used
Srt Trip Liters used
Srt Trip Gallons/Hour
Srt Trip Liters/Hour
Srt Run Time
Range
0 to 9,999.9
0 to 9,999.9
0 to 999.9
0 to 999.9
0 to 999.9
0 to 999.9
0 to 999.9
0 to 99.99
0 to 99.99
0 to 99.99
0 to 99.99
0 to 999.59
Units
Miles
Kilometers
Miles/gallon
Kilometers/Liter
Liters/100km
Miles/hour
Kilometers/hour
Gallons
Liters
Gallons/hour
Liters/hour
Hours:minutes
Abbreviation
mi srt
km srt
MPG srt
KPL srt
L/K srt
MPH srt
KPH srt
Gals srt
Ltrs srt
G/H srt
L/H srt
Run srt
All short trip gauges are zeroed each time the ignition is switched from RUN to OFF.
Distance
Average
MPG, KPL,
L/100km
Average
MPH
Fuel Used
Fuel Rate
Run Time
Distance traveled since ignition
Average fuel economy. Based upon Fuel used and Distance traveled since ignition
Average Miles Per Hour accumulated since ignition
Fuel used since ignition.
Average Fuel rate since ignition.
Run time in hours: minutes. This timer is runs only when the engine runs. When the max
value of 999 hours and 59 minutes is reached this timer stops.
NOTE: The alarm for this gauge is set in hours and fractions of hours, not Hours and
minutes. A setting of 0.5 is 30 minutes.
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Gauge name
Range
Units
Abbreviation
Boost Pressure PSI
-14.60 to 22.50
PSI
Bst PSI
Boost Pressure kPa
-101 to 155
kPa
Bst kPa
Boost pressure is the pressure inside the intake manifold relative to atmospheric pressure. It is also commonly known as
Manifold Gauge Pressure. For vehicles which also support the Barometric gauge, Boost pressure is relative to the barometric
pressure. For vehicles not supporting a barometric gauge, the ambient barometric pressure is considered to be constant @ 14.64
PSI or 101 kPa. Maximum Boost is 22.5 PSI or 155 kPa
Boost Pressure
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Gauge name
Range
Units
Abbreviation
Brake Horsepower 1
0 to 9999.9
HP
HP1
Brake Kilowatts 1
0 to 9999.9
kW
KW1
Horsepower 1 and Kilowatts 1 are derived from the vehicle’s Engine Control module and based on a percentage of maximum
Torque. This gauge must first be configured by setting the maximum torque for the target vehicle. The maximum torque is a
common parameter that can be found by searching the internet for the engine specification for your vehicle. The torque is
commonly specified as a Torque @ a particular RPM. For example, 200 ft.lbs @ 3200 RPM. The Maximum torque is set via
the menu system: MENU  Vehicle Setup..  More..  Set HP1 Max Torque
The torque may be entered in either fl.lbs or N.m
Note: In order for the KW1/HP1 or TRQ1 gauge to function, the “%Engine Load” gauge must be placed in the next display
position. For example, If HP1 is at position 2, and TRQ1 is at position 3, then % Engine Load must be placed at position 4.
Also, TRQ1 and HP1 should be in adjacent positions, i.e., 1 & 2, or 2 & 3, or 3 & 4, etc.
Note For modified engines, alter the Torque value to represent the new estimated Torque.
Note. Horsepower/KW 1 & 2 are provided as competing methods of determining the power output of the engine. In general
HP1 is likely to be more accurate. However, use which ever provides the most reasonable results for your vehicle.
Horsepower 1
Kilowatts 1
Gauge name
Range
Units
Abbreviation
Torque 1 ft.lbs
0 to 999.9
Ft.lbs
TRQ1 ftlb
Torque 1 N.m
0 to 999.9
N.m
TRQ1 Nm
Horsepower 1 and Kilowatts 1 are derived from the vehicle’s Engine Control module. This gauge must first be configured by
setting the maximum torque for the target vehicle. The maximum torque is a common parameter that can be found by searching
the internet for the engine specification for your vehicle. The torque is commonly specified as a Torque @ a particular RPM.
For example, 200 ft.lbs @ 3200 RPM. The Maximum torque is set via the menu system:
MENU  Vehicle Setup..  More..  Set HP1 Max Torque
Note: In order for the KW1/HP1 or TRQ1 gauge to function, the “%Engine Load” gauge must be placed in the next display
position on the same page. For example, If HP1 is at position 2, and TRQ1 is at position 3, then % Engine Load must be placed
at position 4. Also, TRQ1 and HP1 should be in adjacent positions, i.e., 1 & 2, or 2 & 3, or 3 & 4, etc.
Note. Torque 1 & 2 are provided as competing methods of determining the torque output of the engine. In general Torque 1 is
likely to be more accurate. However, use which ever provides the most reasonable results for your vehicle.
Torque 1
Gauge name
Range
Units
Abbreviation
Brake Horsepower 2
0 to 9999.9
HP
HP2
Brake Kilowatts 2
0 to 9999.9
kW
KW2
Horsepower 2 and Kilowatts 2 are derived based on the amount of energy being consumed by the engine and the engine’s
efficiency. By default the efficiency is assumed to be 24%. This means that only 24% of the energy contained in the fuel
actually produces power or torque output. 24% is an good average for typical modern vehicles. This value can be adjusted if
more specific information is available via the menu system:
MENU  Vehicle Setup..  More..  Set HP2 Efficiency
Note. Horsepower/KW 1 & 2 are provided as competing methods of determining the power output of the engine. In general
HP1 is likely to be more accurate. However, use which ever provides the most reasonable results for your vehicle. HP2 is
typically better for modified engines. Fuel usage calibration improves the accuracy.
Horsepower 2
Kilowatts 2
Gauge name
Range
Units
Abbreviation
Torque 2 ft.lbs
0 to 999.9
Ft.lbs
TRQ2 ftlb
Torque 2 N.m
0 to 999.9
N.m
TRQ2 Nm
Torque 2 is derived based on the amount of energy being consumed by the engine and the engine’s efficiency. By default the
efficiency is assumed to be 24%. This means that only 24% of the energy contained in the fuel actually produces power or
torque output. 24% is an good average for typical modern vehicles. This value can be adjusted if more specific information is
available via the menu system:
MENU  Vehicle Setup..  More..  Set HP2 Efficiency
Note. Torque 1 & 2 are provided as competing methods of determining the power output of the engine. In general TRQ1 is
likely to be more accurate. However, use which ever provides the most reasonable results for your vehicle. Torque 2 is
typically better for modified engines.
Torque 2
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Fuel Level
Gauge name
Fuel Level - Gallons
Range
0 to fuel tank size
Units
Gallons
Abbreviation
Lvl Gals
Fuel Level - Liters
0 to fuel tank size
Liters
Lvl Ltrs
The Fuel Level gauge indicates the number of remaining gallons/liters in the fuel tank. This value is determined one of two
ways, depending on the Fuel Sender Mode Setting. When the Fuel Sender Mode is set to Disabled or Smart, the fuel level is
calculated based upon fuel used. When the Fuel Sender Mode is set to Enabled, the fuel level is calculated directly from the
fuel tank sensor.
When the Fuel Sender Mode is set to Disabled, it is necessary to inform UltraGauge manually that the tank has been filled.
This is done via the menu system by selecting MENU  Fuel Menu ..  Fuel fill up. This can also be accomplished by
pressing and holding the UP key for three seconds while UltraGauge is showing the Main Gauge display. Once Fuel Fill-Up is
done, the Fuel Level, TTE and DTE will adjust.
To determine if your vehicle supports a fuel level sensor, select MENU  Fuel Menu ..  Fuel Sender Mode. If the
response is “No Fuel Sensor Found”, no sensor is available via the OBDII. Otherwise, the vehicle supports the sensor and
UltraGauge will automatically use this sensor to determine the Fuel Level.
Some vehicles incorrectly report the support of a fuel level sensor. For those vehicles the reported fuel level will be frozen or
inaccurate. In this situation, the use of the fuel level sensor must be disabled. To disable the fuel level sensor, select MENU
 Fuel Menu .. Fuel Sender Mode. Then select Disabled.
NOTE:
There can be more fuel than indicated when the sensor reports 100% full, and there can be a reserve of fuel when the sensor
reports 0 gallons remaining. When the fuel level is calculated, fuel level can report a negative number indicating that you have
used more fuel than your reported fuel tank size. This is normal as there is always an unreported reserve. Vehicle Tank sensors
are also notoriously inaccurate by as much as +-3 gallons. It is recommended to set the Fuel Sender setting to either disabled or
Smart. See the Fuel Sender Setting section for additional details
RUN TIME
(General)
Gauge name
Run Time general
Range
0 to 999.59
Units
Hours:Minutes
Abbreviation
Run tme
When ever the engine is running this timer is running. The time is displayed in hours and minutes, with the max time being 999
hours and 59 minutes.(41.6 days). Once this value is reached the timer will stop. Part of the Group of “General” gauges…. as
opposed to “Trip” Gauges. This timer can be reset by selecting:
MENU  Gauge/Page Menu .. Zero Run Time.
NOTE: There is also two sister gauges; Run Time Trip and Run Time Short trip
NOTE: The alarm for this gauge is set in hours and fractions of hours, not Hours and minutes. A setting of 0.5 is 30 minutes.
Instantaneous
Gallons/Hour
Liters/Hour
Gauge name
Inst Gals/Hour
Inst Liters/Hour
Range
0 to 99.99
0 to 99.99
Units
Gallons/hour
Liters/hour
Abbreviation
Inst G/H
Inst L/H
Provides the real time measure of the rate of fuel consumption per hour.
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Distance To Empty (DTE)
Gauge name
Miles to Empty
km to Empty
Miles to Empty
km to Empty
Range
-9999.9 to 9999.9
-9999.9 to 9999.9
0 to 9999.9
0 to 9999.9
Units
Miles
km
Miles
km
Abbreviation
DTE
Fuel Sensor
Disabled/Smart
DTE
Enabled
DTE provides an estimate of the number of miles before the fuel tank is Empty based upon average miles per gallon.
UltraGauge uses either the vehicle’s Fuel Level Sensor, if present via the OBDII, or it calculates the remaining fuel by
continuously tracking the amount of fuel used. See the Fuel Sender Section for more details.
With Fuel Tank Sensor:
When a sensor is present via OBDII, UltraGauge can determine when the tank is refilled and DTE will be updated
automatically. The distance to empty is determined by the current general average miles per gallon gauge; Average MPG, and
the number of gallons in the fuel tank. When a fuel level sensor is present, the DTE Gauge Range is 0 to 9999.9 miles
Without Fuel Tank Sensor:
When a fuel level sensor is not available, or the Fuel Sender Mode is set to Disabled, UltraGauge has no ability to sense the
actual fuel level. It is necessary that UltraGauge be informed each time the tank is filled. To do this, select MENU  Fuel
Menu .. Fuel fill up or by holding the UP key for 3 seconds. UltraGauge then assumes that the tank has been filled and
contains the number of gallons/liters specified under MENU  Vehicle Settings  Set Fuel Tank Size.
Selecting MENU  Fuel Menu ..  Fuel fill up affects gauges DTE, TTE and Fuel Level. No other gauges are affected.
NOTE: DTE is determined by the fuel level and the average MPG. This average MPG is the “general” MPG
If Distance traveled is less than 0.1 miles or Gallons Used is less than 0.01 Gallons, UltraGauge will assume an MPG Average of 5
MPG.
NOTE: Selecting MENU  Fuel Menu .. Fuel fill up will not affect the Average MPG or Average MPG – Trip gauges.
NOTE: When a fuel level sensor setting is set to Disabled or Smart, the distance to empty can become negative and the range is
-9999.9 to 9999.9 miles. A negative number indicates the number of miles traveled or gallons used since the estimated remaining
fuel reached zero gallons. There is always an amount of fuel in the tank and in the system that the vehicle’s fuel level sensor
cannot detect. Hence it is likely that the vehicle can travel several miles beyond the point that DTE becomes zero.
NOTE: Do not rely on this gauge until you have become comfortable with the accuracy of UltraGauge.
Gauge name
Range
Units
Abbreviation
Fuel Sensor
Time to Empty
-99:59 to 999.59 Hours:Minutes
TTE
Disabled/Smart
Time to Empty
0 to 999:59
Hours:Minutes
TTE
Enabled
TTE provides an estimate of the number of hours and minutes remaining before the fuel tank is Empty and is based upon
Average Gallons/Hour gauge. UltraGauge uses either the vehicle’s Fuel Level Sensor, if present, or it calculates the remaining
fuel by continuously tracking the amount of fuel used. See the Fuel Sender Section for more details.
Zeroing the Average Gallons/Hour gauge restarts TTE. Average G/H is zeroed by selecting:
MENU  Gauge/Page Menu ..  Zero Ave MPG, G/H
With Fuel Tank Sensor:
When a sensor is present, UltraGauge can determine when the tank is refilled and TTE/DTE will be updated automatically. The
Time to empty is determined by the average fuel use and the number of gallons in the fuel tank. When a fuel level sensor is
present, the TTE Gauge Range is 0 to 999 hours and 59 minutes.
Without Fuel Tank Sensor:
When a fuel level sensor is not available, or the Fuel Sender Mode is set to Disabled, UltraGauge has no ability to sense the
actual fuel level. It is necessary that UltraGauge be informed each time the tank is filled. To do this, select MENU  Fuel
Menu .. Fuel fill up or by holding the UP key for 3 seconds. UltraGauge then assumes that the tank has been filled and
contains the number of gallons specified under MENU  Vehicle Settings  Set Fuel Tank Size.
Selecting MENU  Fuel Menu ..  Fuel fill up affects gauges DTE, TTE and Fuel Level. No other gauges are affected
NOTE: When a fuel level sensor setting is set to Disabled or Smart, Time to Empty can become negative and the range is -99.59 to
999.59 hours:mins. A negative number indicates the elapsed time since the estimated remaining fuel reached zero gallons. There is
always an amount of fuel in the tank and in the system that the vehicle’s fuel level sensor cannot detect. Hence it is likely that the vehicle
can travel several miles beyond the point that TTE becomes zero.
NOTE: Do not rely on this gauge until you have become comfortable with the accuracy of UltraGauge.
NOTE: The alarm for this gauge is set in hours and fractions of hours, not Hours and minutes. A setting of 0.5 is 30 minutes.
Time To Empty (TTE)
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Gauge name
Range
Units
Abbreviation
VE
0 to 100
%
VE %
(MAP vehicles only)
Volumetric efficiency is a measure of how fully your vehicle can fill its cylinders with the fuel/air mixture on the intake stroke.
For example, a vehicle with a VE of 50% is able to fill its cylinder with 50% of it potential. UltraGauge uses several engine
sensors to determine the VE dynamically. This Gauge is only shown if the MAP sensor is present.
If Adaptive Volumetric Efficiency has been enabled, this gauge will provide the Volumetric Efficiency percentage in real time.
Adaptive Volumetric Efficiency can be controlled via the menu system by selecting:
Volumetric Efficiency %
(MAP vehicles only)
MENU  Vehicle Setup ..  VE Enable (MAP only)
MENU  Vehicle Setup ..  VE RPM (MAP only)
To determine if your vehicle uses a MAP sensor, access the menu; MENU  UltraGauge Setup..  Version. This will display
MPG sensor: MAP, MAF or None
UltraGauge
Temperature
Gauge name
Range
Units
Abbreviation
UG Temperature
0 to 232
ºF
UG ºF
UG Temperature
0 to 111
ºC
UG ºC
Internal temperature of UltraGauge. Avoid possible malfunction due to high dash temperatures on sunny summer
days. By default the high alarm is enabled and set to 145 ºF. UltraGauge will continue to operate even when
extreme high temperature is present. Due to internal heating, it is common for this gauge to report temperatures in
the range of 125 -130 ºF on a bright day, while mounted on the dash in sunlight, when the cabin temperature is
75-80 ºF. If temperatures in excess of 140ºF are seen, check that the cooling vents are not blocked. If the
temperature rises above 140ºF, the Backlighting will automatically dim to 65%. The backlighting is the primary
source of internal heat and a temporary reduction to 65% will greatly reduce the temperature. Setting the Max
Backlighting to a value of 80% or less is recommended. Generally the amount of additional light produced when
set above 80% is difficult to perceive. UltraGauge will naturally cool down as the interior of the vehicle is cooled.
Setting the vehicle’s vent controls to defrost will direct cool air to the dash area and more quickly cool
UltraGauge. While UltraGauge is designed to operate under elevated temperatures, some customers have painted
the back half of UltraGauge white to reflect the heat of the sun. This can result in a significant decrease in
temperature when UltraGauge is dash mounted. This is more for piece of mind and is not necessary.
NOTE: When the vehicle is started, after being off for more than 15 minutes, The UltraGauge Temperature will
approximately equal the cabin/dash temperature. The internal backlighting circuits, having been activated by the
vehicle start, will then cause UltraGauge’s internal temperature to slowly increase above cabin temperature.
UltraGauge
Battery
Voltage
Gauge name
Range
Units
Abbreviation
volts
UG Battery Voltage
6.00-25.00V
UG volt
Vehicle battery voltage is passed through a fuse and delivered to pin 16 of the vehicle’s OBDII connector.
UltraGauge measures this voltage and displays it as UltraGauge Battery Voltage. For all intents and purposes
UltraGauge Battery Voltage and the vehicle’s Battery voltage are equivalent. As the battery voltage decreases, a
point is reached where UltraGauge and the vehicle’s computer will no longer function. Battery voltage accuracy
is typically +- 1% of reading
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Gauge/Page Menu ..
Select Gauges ..
MENU  Gauge/Page Menu ..  Select Gauges..
Used to select and assign gauges to pages and zones. See the sections; Gauge Pages and Zones and Gauge Zone
Assignments.
Page settings ..
MENU  Gauge/Page Menu ..  Page settings ..
Provides gauge page configuration settings
Unassign All Gauges
MENU  Gauge/Page Menu ..  Unassign All Gauges
Un-assigns all gauges from all pages and zones. Not commonly used. Can be used when it is desired to reassign all gauges.
Once unassigned the Main display will show no gauges.
Load Default Gauges
MENU  Gauge/Page Menu ..  Load Default Gauges
Restores the factory default Gauge assignments. When shipped UltraGauge has the following default gauge assignments:
Page
1
2
3
4
Zone
Gauge
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
Instantaneous MPG
Average MPG – General
Instantaneous Gallons/Hour
Fuel Level
Time To Empty
Distance to Empty (DTE)
Trip Average MPH
Trip Average MPG
Trip Fuel Used
Trip Ave Gallons/Hour
Trip Run Time
Trip Miles
Srt Trip Ave MPG
Srt Trip Ave G/H
Srt Trip Gallons used
Srt Trip Run Time
Srt Trip Average MPH
Srt Trip Miles
Page
5
6
7
Zone
Gauge
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
Boost Pressure PSI
Mass Air Flow 2
Engine Coolant Temperature
UG Temperature F
Oil Distance
Service Distance
8
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Page Settings ..
Page Display Format
MENU  Gauge/Page Menu ..  Select Gauge/Page ..  Page settings ..  Page Display Format
Each of the 7 gauge pages can be configured to display 4, 6 or 8 gauges at a time.
The 4 & 6 gauge page format actually display 5 & 7 gauges as the Open/Closed loop indicator is also displayed at the top right
of the screen.
Page Enables
MENU  Gauge/Page Menu ..  Select Gauge/Page ..  Page settings ..  Page Enables
Each of the 7 gauge pages can be enabled or disabled. When disabled, advancing to the next page will skip over the disabled
page. This is true for both manually advancing the displayed page or via the Auto Page feature.
NOTE: If all pages are disabled, UltraGauge will re-enable page 1, as at least one page must always be enabled.
Page Refresh Time
MENU  Gauge/Page Menu ..  Select Gauge/Page ..  Page settings ..  Page Refresh Time
Min
Default
Max
Page Refresh rate
0.3 seconds 1.0 second 2 seconds
Sets the display refresh time. Each time the display is refreshed, UltraGauge reads parameters from the vehicle’s computer
(ECM) and updates the displayed gauges. As the time is reduced, UltraGauge consumes more bus bandwidth requesting and
transferring data. As a result this setting should be used with caution. In many vehicles the OBDII port is connected to a
vehicle wide information bus. This bus is used by various vehicle modules to communicate. There is a finite bandwidth on the
bus and setting the refresh time smaller and smaller will consume more and more bandwidth to the point that it could impair
regular bus communication between system modules. This is especially true for 9141 and KWP2000 protocols, and to a lesser
degree J1850 and Ford Protocols. The CAN protocol has considerably more bandwidth than early protocols, however, there is
a good deal more communication on CAN equipped vehicles.
When reducing the refresh time, note any abnormal side effects such as intermittent “Err” being display, the Check Engine Light
becoming illuminated, or impaired engine performance or altered shift points. Should any of these conditions occur, increase
the Page Refresh time until the issue no longer occurs.
Vehicles with the 9141 and KWP2000 protocols should run “KWP/9141 optimizer” before changing the Page Refresh Time.
Auto Page Advance
MENU  Gauge/Page Menu ..  Select Gauge/Page ..  Page settings ..  Auto Page Advance
Enables or disables the Auto Page Advance feature. UltraGauge can display seven pages of gauges. Auto page Advance cycles
through pages at programmable intervals in order of increasing page number. When the last page is reached, UltraGauge
advances back to the first page. The interval can be set from 1 to 255 seconds*, and each page can be programmed with a unique
value. For example, page 1 could be set to display for 10 seconds*, and page 2 could be set to display for 20 seconds*. Pages
which have been disabled will not be displayed.
Pressing the “DOWN” key while auto-page is enabled, will cause the auto page feature to pause at the current page. Pressing
“DOWN” again will resume auto-page advance
For additional information on pages, see the GAUGE PAGES & ZONES section.
* NOTE: While the value is set in terms of seconds, the units are actually the time at which the display is refreshed.
For example, when the Page refresh time is set to the default of 1.0 seconds, then this setting is in terms of seconds.
If the refresh time is reduced to 0.5 seconds, then this setting is in terms of ½ seconds. For example, if the Auto Page Advance
was set to 20, and the Refresh Time was set to 0.5 seconds, the page would advance after 10 seconds.
Auto Page Time
MENU  Gauge/Page Menu ..  Select Gauge/Page ..  Page settings ..  Auto Page Time
Provides the ability to independently set the time that each of the 7 gauge pages are displayed before UltraGauge advances to the next
page. The time may be set from 1 to 255 seconds
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FUEL MENU ..
Partial Tank fill up
MENU  Fuel Menu..  Partial Tank fill up
It is always recommended to fill-up your fuel tank completely and then use MENU  Fuel Menu ..  Fuel fill up. However,
Partial tank fill ups are supported. Simply select MENU  Fuel Menu ..  Partial Tank fill up, and then enter the amount of
fuel added to the fuel tank. To simplify entry, UltraGauge will always display an initial partial fill up amount that is 60% of the
maximum amount that could be added, rounded down to the whole gallon. UltraGauge will only allow a maximum amount of
fuel to be entered that corresponds to the amount of fuel missing from the tank. If you pump more fuel than UltraGauge will
allow, this likely means that the Fuel Tank Size setting has been set too low.
After entering the amount of fuel, UltraGauge will briefly display the current fuel level at the bottom of the screen.
Using Partial Fill-up is not recommended since small errors in the amount of added fuel, the tank size, and calculated fuel
amounts are cumulative with each partial fill-up. This can result in inaccurate values of Fuel Level and DTE. For this reason, it
is recommended to perform a tank fill up periodically to reduce any accumulated error.
Empty Fuel Tank
MENU  Fuel Menu..  Empty Fuel Tank
Informs UltraGauge that the Fuel Tank is empty. This affects the Fuel Level, TTE and DTE gauges. Typically Empty Fuel
Tank is used along with Partial Tank fill up to set the initial amount of fuel in the fuel tank.
Fuel fill up
MENU  Fuel Menu..  Fuel fill up
Use this menu item to inform UltraGauge that the tank has been completely filled. Once filled, UltraGauge assumes the amount
of fuel in the tank is equal to the fuel tank size. Once initiated, UltraGauge will then adjust the Fuel Level, TTE and DTE
gauges accordingly.
This menu item is an alternative to the quick Tank fill up initiated by pressing and holding the UP key until the Fuel fill up is
triggered, while in the main display.
This menu item is only necessary for vehicles not reporting a fuel tank sensor. For vehicles with a fuel tank sensor that is
operating in smart mode, tank fill up is automatic and there should be no need to use this menu item. However, Fuel fill up can
be used and will result in the equivalent of an automatic tank fill up.
Level Sender Mode
MENU  Fuel Menu ..  Level Sender Mode
UltraGauge automatically determines if the vehicle supports a fuel level sensor. If no sensor is available, the message “No Fuel
Sensor Found” will be displayed when MENU  Fuel Menu ..  Level Sender Mode is selected. If not present, see the
Disabled setting below for additional details
If a Fuel Level Sensor is present, this menu item will offer three options:
Disabled
When disabled, the fuel sensor, if present, is ignored and UltraGauge continually calculates the amount of fuel used. The result
is used by the Fuel Level, TTE and DTE gauges. In this mode it is necessary to inform UltraGauge each time the tank is filled.
To do so, hold the UP key until a “Tank Full” message appears. Alternatively, select MENU  Fuel Menu .. Fuel fill up
or optionally, MENU  Fuel Menu ..Partial Tank Fill Up can be selected and amount of fuel pumped can be entered. After
signaling the addition of fuel, the Fuel level, TTE and DTE will be recalculated.
Enabled
When Enabled, fuel level is determined from the vehicles fuel level sensor. In this mode UltraGauge continually monitors the
fuel level sensor and updates the Fuel Level, TTE, DTE, and Fuel Level % gauges. As a result Fuel Fill-ups are automatic.
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Note:
As fuel sloshes around in the tank, from driving around corners, going up or down hills, braking or accelerating, the Level
Sender Mode can provide inaccurate readings. UltraGauge attempts to smooth the results to lessen this affect. However, for
some vehicles with significant sender variation, this issue may be seen in the form of DTE and Fuel Level variation. To avoid
this issue, use the Smart Level Sender Mode setting.
Smart
Smart Mode determines the fuel level by continually calculating the fuel used. Smart mode also monitors the fuel sender to
determine if a tank fill-up has occurred. There are two user configurable thresholds that are used to determine when a Tank fillup has occurred; Low Threshold and Full Threshold. When the fuel level falls below the low threshold, the auto-fill function
becomes armed. When the tank is filled and the fuel level exceeds the Full Threshold, UltraGauge triggers a Fill-up event
automatically. When this happens UltraGauge assumes the tank has been topped off and contains the amount of fuel equal to
the fuel tank size. The Fuel Level, TTE and DTE gauges will adjust automatically.
Smart Low
Threshold
Smart Low
Threshold
Smart Full
Threshold
Auto-Fill
Not Armed
Smart Low
Threshold
Smart Full
Threshold
Auto-Fill
Armed
Smart Full
Threshold
Auto-Fill
By default the Low Threshold is set to 50% and the full threshold is set to 98%. Setting the Low Threshold too high may cause
a false Auto-Fill event to trigger as a result of gas sloshing around in the fuel tank.
NOTE: When changing the mode from Disabled or Enabled to Smart, UltraGauge will automatically estimate the existing fuel
in the fuel tank by using the output of the fuel tank sensor. This is best performed while not moving and on level ground. This
one-time estimate will alter the Fuel Level, TTE and DTE gauges only.
NOTE:
Some vehicles incorrectly report the presence of a Level Sender Mode or it is improperly implemented1 or it is defective. In
these rare cases the Fuel Level % gauge will appear frozen or show a value unrelated to the fuel level. Other gauges that use
the Level Sender, including DTE, Fuel Level, and Fuel Level % will also be in error.
In this situation, the fuel level sensor must be disabled. Select MENU  Fuel Menu .. Level Sender Mode. Then select
Disable.
This issue has been seen on a 2009 Hyundai Elantra. Many other Hyundai years and models have been found to correctly
support the fuel level sensor
1
Smart Full Threshold
MENU  Fuel Menu..  Smart Full Threshold
Sets the fuel tank level Threshold above where a Smart Fuel fill-up will be initiated. See MENU  Fuel Menu ..  Level
Sender Mode Smart for additional details. This menu item is active on vehicles that report the presence of a fuel tank sensor.
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Smart Low Threshold
MENU  Fuel Menu..  Smart Low Threshold
Sets the fuel tank level Threshold below where the Smart Fuel fill-up will be armed. See MENU  Fuel Menu ..  Level
Sender Mode Smart for additional details. This menu item is active on vehicles that report the presence of a fuel tank sensor.
Estimate Fuel Level
MENU  Fuel Menu..  Estimate Fuel Level
When a vehicle supports a fuel tank sensor, Estimate Fuel Level will use the fuel sensor to estimate the fuel present in the fuel
tank. The results of this estimate will be reflected in the Fuel Level, TTE and DTE gauges. Normally this is only necessary to
establish an initial estimate of the fuel in the tank. Normally Fuel Fill up or Partial Tank Fill up will be used to set the fuel in
the tank. Note that once initiated it starts the process which completes after a several seconds once the menu is exited.
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Vehicle Setup..
SET ENGINE SIZE
MENU  Vehicle Setup ..  Set Engine Size
Sets the engine size in liters. This is only important for vehicles that do not have a Mass Air Flow Sensor (MAF). For these
vehicles, it is imperative that the engine size be set, otherwise the Mileage Gauges will be inaccurate. The MPG calculation and
calibration is also dependent on this setting.
Often the vehicle manufacturer will round the engine size to the nearest tenth for badging and labeling. For example, 5.56L
becomes 5.6L. Check the specifications section of the vehicle’s owner manual for actual engine size.
SET FUEL TANK SIZE
MENU  Vehicle Setup ..  Set Fuel Tank Size
Sets the fuel tank size in Gallons. This is used to calculate the fuel level and Distance to Empty Gauges.
If the tank size for your vehicle is specified only in liters, then use the following equation to determine gallons:
Gallons = Liters x 0.26417
Calibration..
Calibrate MPG/Fuel
MENU  Vehicle Setup ..  Calibration..  Calibrate MPG/Fuel
This calibration is used to fine-tune UltraGauge to accurately measure fuel usage. This calibration is critical, especially for vehicles
which use a MAP sensor, diesels and alternative fuels.
 For vehicles that use a MAP sensor*, see the menu section on Adaptive Volumetric Efficiency before proceeding.
 Prior to this calibration, consider performing the distance calibration. See the section: Calibrate Distance
 Calibration cannot be performed if less than 4 liters or 1 gallon has been used.
The gauges that depend on fuel usage will not be accurate until this calibration is complete.
Calibration Procedure:
1.
2.
3.
4.
5.
6.
7.
Fill up the fuel tank.
Set the ignition to the RUN position (Engine Off)
Press and hold the UP key to cause UltraGauge to recognize the fill-up
Zero the Average MPG. MENU --> Gauge/Page Menu .. --> Zero Ave MPG, G/H.
Exit the Menu system
Drive until it’s time for the next fuel fill-up.
At the next fuel fill-up, fill the fuel tank and note the number of gallons/liters used (pumped). (Always use
the same fuel station and the same fuel pump)
8. Set the ignition to the RUN position (engine off)
9. Press and hold the UP key to cause UltraGauge to recognize the fill-up
10. Select MENU --> Vehicle Setup.. --> Calibration.. --> Calibrate MPG/Fuel, and change the value displayed
to the amount of fuel recorded in step #7. Press MENU when complete to set and save the calibration.
11. Exit the Menu system the cal is complete
Congratulations, you have successfully calibrated UltraGauge to your vehicle.
Alternatively, to improve accuracy, record and add the fuel used (pumped) over several fill-ups to improve accuracy.
Multi-fill-up Calibration:
1.
2.
3.
4.
5.
6.
Fill up the fuel tank.
Set the ignition to the RUN position (Engine Off)
Press and hold the UP key to cause UltraGauge to recognize the fill-up
Zero the Average MPG. MENU --> Gauge/Page Menu .. --> Zero Ave MPG, G/H.
Exit the Menu system
Drive until it’s time for the next fuel fill-up.
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7.
At the next fuel fill-up, fill the fuel tank and note the number of gallons/liters used (pumped). (Always use
the same fuel station and the same fuel pump)
a. Repeat step 6. Proceed to Step 8 after 2-4 fill ups.
8. Set the ignition to the RUN position (engine off)
9. Press and hold the UP key to cause UltraGauge to recognize the fill-up
10. Select MENU --> Vehicle Setup.. --> Calibration.. --> Calibrate MPG/Fuel, and change the value displayed
to the amount of total sum of fuel recorded in step #7. Press MENU when complete to set and save the
calibration.
11. Exit the Menu system the cal is complete
Make note of the calibration factor displayed at the bottom of the screen. If you should ever need to clear your configuration, the
calibration factor can be used directly to set the calibration. Simply jump to step #10 and increase or decrease the reported gallons
until the calibration factor matches.
Ethanol fuel : Ethanol blends have less energy in the same volume of fuel. Switching between blended and unblended fuel will
result in inaccurate fuel usage for vehicles which have a MAP sensor and no MAF* sensor. It is recommended to either avoid
Ethanol fuel blends, or use only Ethanol fuel blends. Experience has shown that Ethanol results in reduced fuel economy.
* To determine if your vehicle has a MAF sensor, access the menu; MENU  UltraGauge Setup..  Version. This will display
MPG sensor: MAP, MAF or None
Reset MPG/Fuel Cal
MENU  Vehicle Setup ..  Calibration..  Reset MPG/Fuel Cal
Resets the MPG/Fuel Calibration factor to the factory default of 1.000. Use this to restore the calibration factor if the
MPG/Fuel Calibration is performed improperly.
Calibrate Distance
MENU  Vehicle Setup ..  Calibration..  Calibrate Distance
Use this menu item to calibrate all Distance Gauges. This calibration also directly affects the accuracy of all Speed, MPG and
DTE gauges. This calibration is especially necessary for vehicles which no longer have the stock wheels, tire sizes,
transmission, or rear-end differential. This calibration will also compensate for inaccuracies in stock speed sensor and the
vehicle’s distance measurement system. Perform this Calibration prior to all other calibrations.
**** Calibration cannot be performed unless a distance of at least 4 Kilometers or 2.5 miles have been driven. ****
To perform the distance calibration follow this procedure:
1. Align front tire with first mile marker
2. Reset the trip gauges: MENU  Gauge Menu  Zero All Trip
3. EXIT THE MENU
4. Travel to the 3rd mile marker (at 50+MPH), aligning the front tire to the mile marker
5. Select: Menu  Vehicle Setup  Calibration  Calibrate Distance
6. Change the value shown to 3.000 miles*, using the UP and DOWN keys
7. Press Menu to save and set the calibration
Once saved, the calibration factor will be displayed at the bottom of the display.
Many roads will have mile markers, but avoid roads that are not straight. Generally more markers will improve accuracy.
The greater your speed between mile markers the better the accuracy of the distance calibration
*If you chose to travel several mile markers, then enter in the number of miles actually driven, for example, 3.000 miles.
NOTE: Unplugging UltraGauge after calibration will not cause loss of calibration.
NOTE: Using the vehicle’s odometer to perform this calibration is pointless since the odometer and UltraGauge receive
distance information from the same source; the vehicle’s ECM.
NOTE: For best accuracy travel between markers at a high rate of speed.(50+MPH)
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VE Enable (MAP only)
MENU  Vehicle Setup ..  VE Enable (MAP vehicles only)
Enables Adaptive Volumetric Efficiency. Vehicles use either a Manifold Absolute Pressure (MAP) sensor or a Mass Air Flow
(MAF) sensor to determine fuel mixture* Mileage calculations with MAF are much more accurate than with MAP. One issue
with MAP is that it is necessary to know the volumetric efficiency(VE) of the engine. Volumetric efficiency (VE) is the
measure of the ability to fully fill the cylinders with the fuel/air mixture. VE is different for each engine design. An engine with
a 50% VE is one that is able to fill to 50% of capacity on the intake stroke.
Normally when Adaptive VE is not enabled, the VE is automatically set to a fixed average. With Adaptive VE enabled, the VE
is automatically adjusted dynamically based upon run time conditions to more accurately determine mileage. For MAP
vehicles, the VE can be monitored through the VE gauge. This feature should remain disabled for vehicles that are
supercharged or turbo-charged. If enabled, also set the RPM at which the engine achieves peak torque. See VE RPM for
additional details. The VE% gauge is visible only when a MAP sensor is present in the vehicle.
If enabled, it will then be necessary to run the MPG calibration to achieve best accuracy. For most vehicles Adaptive
Volumetric Efficiency will provide improved accuracy of the MPG, Fuel Level, TTE and DTE gauges. In rare cases the
adaptive VE may result in less accurate results, in which case it should be disabled.
*To determine if your vehicle uses a MAP or a MAF sensor, access the menu system; MENU  UltraGauge Setup.. 
Version. This will display MPG sensor: MAP, MAF or None
VE RPM (MAP only)
MENU  Vehicle Setup ..  VE RPM (MAP vehicles only)
When Adaptive Volumetric Efficiency is enabled, VE RPM is used to fine-tune VE for your vehicle. Input the RPM at which
your vehicle’s torque peaks. Typically presented in the form XXX ft-lbs @ RPM, this parameter is commonly specified for
most engines and can be found on automotive sites such as vehix.com. Search for your specific vehicle and then find the
engine specifications section.
By default this value is set to 4400 RPMs. This value is ignored for MAF vehicles and when Adaptive Volumetric Efficiency is
disabled. VE may be monitored through the VE gauge. This gauge is only visible for vehicles with MAP sensors..
If after calibration, it is found that the MPG results are still not accurate enough, the VE RPM value can be further adjusted. If
UltraGauge reports less fuel used than actual, reduce the VE RPM by 200 and repeat Calibration. Likewise, if UltraGauge
reports more fuel used than actual, increase the VE RPM by 200. The value is arbitrary and experimentation is necessary.
More ..
Set HP1 Max Torque
MENU  Vehicle Setup ..  More ..  Set HP1 Max Torque
Sets the maximum engine torque for the target vehicle. This parameter must first be configured prior to using HP1, KW1 or
Torque 1 gauges. The maximum torque is a common parameter that can be found by searching the internet for the engine
specification for your vehicle. The torque is commonly specified as a Torque @ a particular RPM. For example, 200 ft.lbs @
3200 RPM. The torque may be entered in Foot-Pounds (ft.lbs) or Newton Meters (Nm).
NOTE: In order for the HP1 or TRQ1 gauge to function, the “%Engine Load” gauge must be placed in the next display
position. For example, If HP1 is at position 2, and TRQ1 is at position 3, then % Engine Load must be placed at position 4.
Set HP2 Effieciency
MENU  Vehicle Setup ..  More ..  Set HP2 Efficiency
Sets the estimated operating efficiency of the engine. This parameter can be set before using the HP2, KW2 or Torque2
gauges. Horsepower 2, Kilowatts 2 and Torque 2 are derived based on the amount of energy being consumed by the engine and
the engine’s efficiency. By default the efficiency is assumed to be 24%. This means that only 24% of the energy contained in
the fuel actually produces power or torque output. 24% is an good average for typical modern vehicles. This value can be
adjusted if more specific information is available.
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Force Protocol
MENU  Vehicle Setup ..  Force Protocol
Prevents UltraGauge from searching for the protocol used by the Vehicles Electronic Control Module (ECM). Normally
UltraGauge tries each of the five interfaces and protocols until it discovers the protocol used by the ECM. Each vehicle should
only support a single protocol. After the initial Scan, UltraGauge will not Scan the interface for the protocol again unless
UltraGauge is unplugged.
!
WARNING
!
The Scanning process can interfere with proprietary implementations of the OBD II connector/interface. For example, on some
vehicles the traction control light becomes lit, or the speedometer or other gauges may stop functioning, the transmission may
shift hard or not at all, or the check engine light may become lit. To avoid these issues, the Protocol can be fixed to that used by
the vehicle.
Force Protocol
Auto Discovery
Force J1850-VPM
Force 9141
Force Ford
Force KWP2000
Force CAN
Force Current
Description
Scans the interface for the protocol. This is the default setting
Early GM vehicles and some Chrysler vehicles
Most early foreign vehicles and most early Chrysler vehicles
Exclusively used on early ford vehicles.
This rare protocol is used on various vehicles.
Used on all 2008 and newer vehicles as well as on many 2004 and newer vehicles.
Forces the Protocol currently in use, found during the scanning process. Use this if
you can’t remember the protocol found.
UltraGauge Automatically remembers the last found protocol and attempts to communicate with the vehicle’s ECM using that
protocol. As long as communication is established, UltraGauge will not attempt other protocols. If communication is not
established, then UltraGauge will cycle though each protocol until communication is established. Forcing the protocol will
prevent this and UltraGauge will repeatedly try only the forced protocol.
Once any of the above Forced Protocol menu items are selected, UltraGauge will restart and then communicate with the ECM
using only the forced protocol.
If your vehicle is experiencing issues, follow this procedure:
1. Force the protocol: MENU Vehicle Setup  Force Protocol
2. Unplug UltraGauge
3. Start the vehicle
4. Insure the issue is not present, if present turn of the vehicle and repeat step 3.
5. turn off the vehicle
6. Place the ignition in the RUN position
7. Re-attach UltraGauge. UltraGauge will then discover the available gauges.
8. Once UtlraGauge has found the available gauges, start the vehicle and ensure the issue has been resolved
Once forced, UltraGauge will likely not function if moved to a difference vehicle. This can be resolved one of three ways:
1. Prior to moving UltraGauge to a different vehicle select MENU  Vehicle Setup ..  Force Protocol  Auto
Discovery
2. If the protocol used on the second vehicle is known, use the Force Protocol menu to force the protocol to that of the
second vehicle.
3. Once attached to the second vehicle and during the initial scanning screen, hold the MENU key until the Menu screen
appears. Select MENU  Vehicle Setup ..  Force Protocol  Auto Discovery
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UltraGauge Setup..
Version
MENU  UltraGauge Setup ..  Version
Displays






the following information:
Version number
Version date
Number of Gauges found during the discovery process
Fuel level Sensor supported; Yes or No.
Sensor used to calculate fuel usage and MPG; MAP, MAF, None, MAP Forced, MAF Forced. See Force MPG sensor
for meaning of “Forced”
Protocol found during the scanning process
UltraGauge comes with free minor updates for one year. However, it is necessary to ship your unit in for the update, as it is
not field updateable. Update information, if any, will be posted on the support page of the Ultra-Gauge.com website. All
transportation costs are the responsibility of the user.
Save and Restart
MENU  UltraGauge Setup ..  Save and Restart
Saves any current accumulated MPG, MPH, Time and Distance data and then restarts. Normally this should not be used.
However if it is suspected that UltraGauge is not performing correctly, this may correct potential issues.
Restore ALL Defaults
MENU  UltraGauge Setup ..  Restore ALL defaults
Restores all internal and configurable settings back to the factory defaults. Restoring all defaults should be used with care as it
restores all configuration such as Calibration, Gauge selection, Alarms settings, display settings as well as all accumulated
MPG, MPH, Time, and Distance. This function is a global restore. There is generally individual restores or resets for various
functions which should always be used first to correct suspected issues. This can be considered the “Reset” of UltraGauge.
Factory Test
MENU  UltraGauge Setup ..  Factory Test
Used to test UltraGauge at the factory and should normally not be used. It is also used as part of the reward process. The
factory test will print a series of two digit numbers to the screen. The numbers have no practical meaning and are used by
factory personnel to establish the validity of the reward claim. Should the numbers displayed fill and scroll off the screen,
power cycle UltraGauge and when prompted select “Safe” mode and then re-run factory test.
Compatibility ..
Power on Detect mode
MENU  UltraGauge Setup ..  Compatibility ..  Pwr on Detect Mode
For compatibility reasons, UltraGauge supports three modes to detect that the ignition is in the RUN position or that the engine
is running. Normally when UltraGauge detects the power-on condition, UltraGauge exits its low power mode and begins
normal operation.
 Mode 1: This mode is primarily for vehicles which use the 9141 or KWP2000 protocols. It can also be used when
mode 2 fails to cause UltraGauge to wake. However, mode 1 can result in battery drain on 2000 and newer GM
vehicles and vehicles which use the CAN protocol. See the Battery Drain discussion below for more information. If
battery drain occurs, please use mode 2 or 3. This mode will likely be removed on future versions.
 Mode 2: Mode 2 is the default and recommended mode. Mode 2 is ignored for vehicles with 9141 and KWP2000
protocols, and mode 1 is assumed. In very rare cases, certain vehicles may exhibit battery drain when mode 2 is
selected. If battery drain should occur, use mode 3. See the Battery Drain discussion below for more information.

Mode 3: Default mode. Mode 3 can be used for all vehicles and protocols and is the most compatible. Mode 3
detects the engine running and wakes UltraGauge. It accomplishes engine run detection by detecting elevated
battery voltage caused by an active Alternator. The Battery voltage threshold used by mode 3 is by default set to
13.2 volts. This voltage threshold can be changed via the Set Battery Threshold Menu item. The weakness of mode
3 is that simply turning the ignition to the RUN position will not wake UltraGauge. For this reason, Mode 2 is
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preferred. However, with the ignition on, pressing UP will cause UltraGauge to wake.
changes without the need to start the vehicle.
Protocol
9141
KWP 2000
J1850 VPM
Ford
CAN
Default
3
3
3
3
3
Table 2 - Power on mode selection
Recommended Mode If on detection failure If battery drain
1 or 3
1 or 3
3
1 or 3
1 or 3
3
2
1 or 3
3
2
1 or 3
3
2
3
3
This is useful for configuration
Vehicle w/Onstar
3
3
3
3
3
NOTE: When UltraGauge is powered down, pressing UP will wake UltraGauge. If the ignition is on (vehicle’s computer is
powered) UG will begin working normally. If the ignition is off (vehicle’s computer is not powered) pressing UP, will cause
UltraGauge to exit the low power mode. However, since UltraGauge will not be able to communicate with the vehicle’s
computer, UltraGauge will reenter low power mode.
Battery Drain
This discussion generally applies to newer vehicles which use the CAN protocol or vehicles with electrical system issues. When
the ignition is switched from RUN to OFF, the vehicle's electrical system modules stay active drawing battery power for several
minutes. Over time, various systems enter lower power mode and the drain on the battery decreases. However, UltraGauge
can cause these systems to not enter low power mode. Normally once UG has detected ignition off, UG will enter a low power
mode and wait for the vehicle's systems to become active at the next ignition on. However, since the vehicle's electrical
systems do not shut down, UG quickly attempts to establish communication again. This communication in turn causes the
vehicle's systems to remain on indefinitely and results in battery drain. Mode 3 should be used for vehicles with this issue.
Vehicles known to experience battery drain
and require “Power on Detect” mode 3
Mini Cooper
2010+ Ford Focus
2011 Ford Fxxx (few)
2007+ BMW Series 5 2.0L
Set Battery Threshold
MENU  UltraGauge Setup ..  Compatibility ..  Set Battery Threshld
This setting is used in conjunction with “Power on Detect” mode 3. This setting is ignored for “Power on Detect” modes 1 and
2. By default the voltage threshold is set to 13.2 volts and for most vehicles, this is the best setting. However, If when the
vehicle is started, UltraGauge does not wake, decrease the threshold in 0.1 volt steps until UltraGauge wakes consistently. If
UltraGauge falsely wakes when the engine is not running, increase the threshold in 0.1 volt steps until UltraGauge no longer
falsely wakes.
Power off Detect mode
MENU  UltraGauge Setup ..  Compatibility ..  Pwr off Detect mode
For most vehicles UltraGauge will correctly detect when the ignition has been switched to OFF. Should UltraGauge remain on
beyond 15 seconds after exiting the vehicle, use this setting to change the method UltraGauge uses to detect that the ignition
is in the OFF position.
There are five Power off Detect modes; 0,1,2, 3 &4. Mode 0 is the factory default. If when set to mode 4, there are no
resulting operation issues, mode 4 is typically preferred. In general the order of mode preference is 4, 2, 1, 0, 3.
If Power-off/ignition-off detection is failing, change the mode value until UltraGauge can successfully sense that the ignition is
OFF. Mode 3 is designed to detect ignition OFF on any vehicle. However, mode 3 has the side effect that UltraGauge will not
exit power-down mode, unless the engine is running. This means that configuration changes are made while the engine is
idling. Never make configuration changes while driving. Alternatively, while in mode 3 and with UltraGauge powered down,
press and hold the UP and MENU buttons simultaneously. This will cause UltraGauge to power on and immediately enter the
menu system.
If after increasing the mode UltraGauge will not power on, please follow this procedure:

Unplug UltraGauge

Turn the ignition to the RUN position

Press and hold the Menu key

Plug in UltraGauge
This will allow access to the configuration menu. Once in the menu, select a different mode.
Exit the Menu.
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Power off retries
MENU  UltraGauge Setup ..  Compatibility ..  Pwr off retries
By default UltraGauge will power-down if the vehicle’s ECM does not respond after 3 communication attempts. A non
responsive ECM is indicative of the ignition being in the Off position. This setting allows the number of failed communication
attempts to be set from 2-99. Normally a value of 3 is best and preferred. If UltraGauge at times enters low power mode and
briefly turns off the display while the ignition is in the RUN position, increase the number of retries until the behavior stops.
The side effect of increasing the value is that UltraGauge will remain on for a longer period of time after the ignition is switched
to Off.
Changing this setting to a value greater than ~45 is not recommended for vehicles with KWP 2000 or 9141 protocols.
This configuration setting was primarily added for Smart Cars which experience a false ignition off detection roughly every 30
minutes.
KWP/9141 Optimize
MENU  UltraGauge Setup ..  Compatibility ..  KWP/9141 Optimize
The 9141 and KWP2000 protocols are very inefficient. The more engine specific gauges displayed on a page, the slower the
page will update. This can be witnessed by watching the health indicator beat rate. For all other protocols, the health
indicator beats about once each second. With 9141 and KWP 2000 the update rate can be as long as 2.2 seconds.
With this setting, the update rate for some 9141/KWP vehicles may be improved. By default the value of this setting is 100,
which corresponds to the most compatible setting. As this value is reduced KWP/9141 performance and the display refresh
rate increase. Some vehicles function without issue with a setting of 1, while others require the slowest setting of 100.
When this menu item is selected, the KWP/9141 Optimizer starts. The Optimizer will determine the optimal setting for the
particular vehicle. When complete the optimal value is displayed. The value can be accepted by pressing “MENU”, or it can be
manually overridden by entering a new value using the UP/DOWN keys. A value less than the Optimizer value should never be
manually entered.
It is recommended to run the optimizer a few times, and then use the resulting largest value.
For some vehicles manually setting the value too low will actually result in potentially anomalous behavior, such as:

Slower update rate

“Err” seen occasionally for various gauge values.

“Comm Lost, restarting” message during initial gauge discovery
1.
This is an optional setting and should only be used if you are dissatisfied with the update rate
NOTE: The ignition must remain in the RUN position. The engine should be off.
NOTE: This setting is applicable to ONLY vehicles with the 9141 or KWP 2000 Protocol; it has no affect upon other protocols.
NOTE: As an alternative, the update rate can also be increased by reducing the number of “engine specific” gauges on any
given page. Setting the “Pwr off Detect mode” to a value other than 0, may also increase KWP/9141 performance.
NOTE: If UltraGauge is moved to another KWP/9141 vehicle, it will be necessary to run the optimizer on the new vehicle. It is
advisable that the value be set to 100 prior to moving UltraGauge to the new KWP/9141 vehicle.
NOTE: If manually setting this value results in UltraGauge not functioning, follow this procedure to restore UltraGauge

Unplug UltraGauge

Press and hold the Menu Key

Plug in UltraGauge

Holding the Menu key will cause the menu to appear.

Return to the update rate and set it back to a known good value.
Force MPG Sensor
MENU  UltraGauge Setup ..  Compatibility ..  Force MPG Sensor
Forces UltraGauge to use the MAF or MAP sensor to calculate fuel usage.
Force MPG Sensor Setting
Description
Auto
UltraGauge automatically determines the best sensor to use
MAP
UltraGauge is forced to use the MAP sensor
MAF
UltraGauge is forced to use the MAF sensor.
Normally Auto is the correct and desirable setting. Certain vehicles misreport the presence of a sensor. When this happens,
UltraGauge is not able to calculate the fuel usage and various mileage gauges may display “Err” or nonsensical values. All
other gauges display correctly. This setting is used to override the reported sensor presence and forces UltraGauge to use the
selected sensor. This problem is common on F250 and F350 Ford diesel trucks. Typically the presence of MAF is reported
when it is not present. In this situation, setting Force MPG Sensor to “MAP” will resolve the issue.
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Injector Cutoff
MENU  UltraGauge Setup ..  Injector Cutoff
While in gear during de-acceleration, many vehicle manufacturers will turn off the fuel injectors in order to save fuel. This is
true for vehicles with either manual or automatic transmissions. The fuel savings is slight, but over time and distance could
become significant. UltraGauge can detect when the injectors are switched off and factor the fuel savings into the fuel usage
and mileage calculations.
Injector cutoff is disabled when set to zero, and is disabled by default. To enable Injector cutoff detection, set the value equal
to seven times the engine size in liters, rounded up to a whole number. For example, for a 2.3L engine the value should be set
to 2.3x7= 16.1  17. The value is not crucial and this calculation represents a best estimate.
When enabled and injector cutoff occurs, the Instantaneous MPG will read 999.9, and the Instantaneous Gallons/hour will read
0.0
Injector Cutoff should only be seen when de-accelerating. If during heavy acceleration, Injector Cutoff falsely occurs, decrease
the injector cutoff value by 20% or until cutoff no longer occurs. Setting the value too low will cause the Injector Cutoff never
to be detected.
NOTE: Injector cutoff detection should be enabled prior to performing fuel calibration. If enabled after calibration, the
calibration procedure should again be performed.
NOTE: If the open/closed loop indicator is not displayed on the gauge display or the loop is always open, then the vehicle does
not support Injector Cutoff detection and this feature should remain disabled. If the loop indicator is always open, this could
indicate an issue with your vehicle. If so, check for the presence of trouble codes.
NOTE: Nearly all Diesel vehicles do not operate a closed loop system, and as such do not support the open/closed loop
indicator. As such UltraGauge is does not currently support injector cutoff for Diesel vehicles.
NOTE: Each vehicle manufacturer has their own algorithm for injector cutoff. Some require significant de-acceleration,
usually enabled in terms of higher RPMs and a certain speed threshold, while others have a much lower de-acceleration
requirement.
NOTE: When the transmission is placed in neutral, the vehicle’s injector cutoff function is disabled.
NOTE: This is an optional setting and provides only marginal benefit to fuel usage and MPG calculations.
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DISPLAY SETTINGS..
SET Backlite Mode
MENU  Display Settings ..  Set Backlite Mode
Backlight Mode
Fixed
Automatic
Description
Backlight is fixed to a set brightness. The brightness
level is set via the BackliteMaxBright menu item
The Backlight is automatically controlled
Fixed:
When the Backlight Mode is set to Fixed, the backlight level is fixed to the level set by MENU  Display Settings .. 
Backlite Max Bright.
Automatic:
When set to Automatic, the backlight brightness is automatically varied according to the vehicle’s inside cabin ambient light
level. UltraGauge’s backlight brightness increases as ambient light brightness increases. This is useful to maximize brightness
and contrast during daylight hours and to minimize brightness during nighttime driving. In Automatic mode, the backlight
brightness is limited to a minimum brightness and a maximum brightness, and the backlight is automatically adjusted between
these limits. The limits are set via the menu items; Backlite Min Bright and Backlite Max Bright.
Automatic Backlighting
100% Brightness
Max Backlite Setting
Ambient
Light
Brightness
Backlite Range
Min Backlite Setting
0% Brightness
The sensitivity to the Ambient light can be adjusted via the Ambient Sensitivity menu setting. This setting allows UltraGauge to
better adjust the Backlight brightness depending on the Vehicle’s ambient light. For example, vehicles with tinted windows or
with smaller windows will have overall lower light levels and an increase in sensitivity would be recommended. See the
Ambient Sensitivity setting for more detail.
Backlite Min Brightness
MENU  Display Settings ..  Backlite Min Bright
This setting is used in conjunction with the Backlite mode setting.
When the Backlite Mode is set to Fixed, this setting has no effect.
When the Backlite Mode is set to Automatic, this setting becomes the Minimum Backlight Level and the brightness is
automatically adjusted between Minimum and Maximum light levels according to ambient light levels.
The brightness is set as a percentage of the maximum Backlight level. A value of 100% corresponds to the maximum light
level. 0% corresponds to the lowest light level. Note that 0% is not off, but rather the lowest backlight setting that is still
visible. Changes are reflected immediately. Avoid covering the sensor window with your thumb while making adjustments.
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Backlite Max Brightness
MENU  Display Settings .. Backlite Max Bright
This setting is used in conjunction with the Backlite Mode setting.
When the Backlite Mode is set to Fixed, this setting directly sets the fixed Backlight Brightness Level.
When the Backlite Mode is set to Automatic, this setting becomes the Maximum Backlight Level and the brightness is
automatically adjusted between Minimum and Maximum light levels according to ambient light levels. Changes are reflected
immediately. Avoid covering the sensor window with your thumb while making adjustments.
Note:
If the internal temperature should reach 140ºF, UltraGauge will automatically dim the display to 65%. The Backlight is
responsible for most of the internal heat and reducing the brightness to 65% significantly reduces this heat. Once the
temperature falls below 136ºF, the display brightness will return to the user configured settings.
Ambient Sensitivity
MENU  Display Settings .. Backlite Max Bright
When the Backlite Mode is set to Automatic, this setting is used to set UltraGauge’s sensitivity to the vehicle’s inside cabin
ambient light level. Vehicles with tinted, smaller or fewer windows will have lesser ambient light levels. This setting allows
UltraGauge to be tailored to your vehicle’s light levels. This setting has a range of from 0-100, with 100 being the most
sensitive. As the sensitivity is increased, UltraGauge becomes more responsive to lower light levels. At a setting of 0,
UltraGauge must capture significant light before it begins to increase the Backlite level. At a setting of 100, a very insignificant
amount of light causes UltraGauge to increase Backlight Levels.
Since this setting is very relative, it must be adjusted experimentally for your vehicle. While using UltraGauge, if the Maximum
backlight brightness is not achieved in ambient light that you believe should produce Maximum Backlight brightness, increase
the sensitivity by 5 and watch the results. Repeat until satisfied. Changes are reflected immediately.
Note: On the front right hand side of UltraGauge there is a opening which UltraGauge uses to capture ambient light. Avoid
covering the sensor window with your thumb while making adjustments.
Note: If the sensitivity is set to high, the UltraGauge will be too bright for nighttime driving.
Adjust LCD Contrast
MENU  Display Settings .. Adjust LCD Contrast
Use this menu item to fine tune the contrast of the display. Ideal contrast is achieved when the text brightness is maximized
and the background brightness is minimized. Changes to the contrast setting are instantly updated on the display. Once the
ideal contrast is reached, press Menu to exit.
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ALARMS..
Alarms can be set for every gauge. Alarms may also be optionally enabled for newly posted trouble codes and pending trouble codes.
Each gauge can have a high and low alarm. Each Low and High Alarm can individually be enabled and the value of each high and low
alarm threshold can be individually set. UltraGauge continually compares real-time gauge values to each of the alarm values. If the
real-time value is greater than the high alarm or less than the low alarm, an alarm is initiated. The Alarm is both audible and visual. The
audible portion of the alarm may be disabled if so desired. Alarms as a whole can also be disabled. During an alarm, the alarm may be
suspended by pressing the DOWN key. Once suspended, the alarm for that specific gauge will no longer trigger. However, the
suspended alarm will be again be enabled when the ignition is switched from RUN to OFF.
Set Gauge Alarms ..
MENU  Alarms ..  Set Gauge Alarms ..
Each Gauge has both a Min and Max Alarm. For example, a temperature gauge has both a high temperature alarm and a low
temperature alarm. Whenever the alarm value is exceeded the alarms sounds. Each alarm can be individually enable or disabled
and the value for that alarm can be set. By default many of the alarms are enabled and factory default values are set.
On the last row of each alarm is a value that represents the extreme limits for that particular gauge.
To set or enable an alarm:
1. select MENU  Alarms ..  Set Gauge Alarms ..
2. Use the UP & DOWN keys to Navigate to the desired Gauge. Press Next or Back to advance to the next group of gauges
3. While the cursor is positioned next to the desired gauge, Press MENU. This will show the alarm screen for that gauge, as
shown below.
4. Pressing UP or DOWN will cause the cursor to move around the alarm window.
5. While positioned over the off/on selection for the Alarm, pressing MENU will toggle the alarm from on to off and off to on.
6. While positioned over the Value field, pressing MENU will cause the cursor to blink, signifying data entry mode. Use the
UP and DOWN keys to advance the value to the desired value. The Alarm will only trigger when the measured value
exceeds the trigger value. Note that the value will always be just short, by the least significant digit, of the maximum value,
since if the max value was set, the alarm would never trigger. Press MENU to finalize the setting
7. Select BACK to exit the alarm menu for the particular gauge
BACK
All settings are saved as they are made. The UltraGauge
configuration is stored in non-volatile memory so that it is
preserved through vehicle start/stop cycles or unplugging of the
unit. The configuration remains until the user chooses to change
it.
Alarm
Coolant Temp (ºF)
MIN
Off
0
250
MAX
on
Alarm siren on/off
MENU  Alarms ..  Alarm siren on/off
Allows the audible alarm siren to be switched on or off. This only affects the audible siren and does not
affect the visible siren. This does not affect key press tones.
All alarms on/off
MENU  Alarms ..  All Alarms on/off
Globally enables or disables all Gauge Alarms both audible and visual.
Alarm siren freq
MENU  Alarms ..  Alarm Siren Freq
Allows the frequency of the alarm siren to be adjusted. By default the frequency of the siren is set to 4450 Hz. This typically
represents the optimal frequency for maximizing volume and clarity. The frequency can be adjusted from 3000-5000Hz. Set the
frequency to a value that is best suited for your hearing.
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Load Default Alarms
MENU  Alarms ..  Load Default Alarms
Restores all gauge alarm settings back to the factory defaults.
Min
Alarm
on/off
Min
Alarm
Value
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
on
on
off
off
off
off
off
off
off
off
off
off
off
off
0
0
0
0
10
0
10
0
0
0
0
0
0
0
-30
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0.1
0
0
0
-1
-6000
29
98.2
0
0
0
0
0
0
0
0
0
0
.25
0
-10
-23
0
0
0
0
0
0
0
0
0
0
0
0
Table 3 - Alarm Factory Defaults
Max
Max
Alarm
Alarm
on/off
Value
off
on
off
off
off
off
off
off
off
off
off
on
on
off
off
on
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
on
off
on
off
on
off
on
off
on
off
off
off
on
off
off
off
off
off
off
off
off
off
off
off
off
off
70
250
120
0
10
0
10
50
345
10
69
4000
90
145
30
210
99
400
0
0
0
0
0
500
800
1000
690
1.8
1.8
95
20
0
0
0
50
800
1
6000
30.5
103.2
2011
1100
2021
1105
2012
1100
2022
1106
14.9
90
1.75
90
115
46
90
90
90
90
10
69
400
400
450
450
400
400
Gauge
% Engine Load
Engine Coolant Temperature (ºF)
Engine Coolant Temperature (ºC)
Short Term Fuel Trim Bank 1
Long Term Fuel Trim Bank 1
Short Term Fuel Trim Bank 2
Long Term Fuel Trim Bank 2
Fuel Pressure (PSI)
Fuel Pressure (kPa)
Intake Manifold Absolute Pressure (PSI)
Intake Manifold Absolute Pressure (kPa)
RPM
MPH
KPH
Timing Advance
Intake Air Temperature (ºF)
Intake Air Temperature (ºC)
Mass Air Flow Sensor 1 (g/s)
Absolute Throttle Position 1 %
Bank 1 0xygen Sensor 1 Voltage
Bank 1 0xygen Sensor 2 Voltage
Bank 2 0xygen Sensor 1 Voltage
Bank 2 0xygen Sensor 2 Voltage
Miles traveled with Check Engine Light On.
Kilometers traveled with Check Engine Light On.
Fuel Pressure (Diesel) (PSI)
Fuel Pressure (Diesel) (10kPa)
Bank 1 Wide 0xygen Sensor 1 Lambda
Bank 2 Wide 0xygen Sensor 1 Lambda
EGR Flow %
EGR Flow % Error
Evaporative Purge %
Fuel Level % of full
Number of Warm-ups since Check Engine Light Cleared
Miles traveled since Check Engine Light Cleared
Kilometers traveled since Check Engine Light Cleared
Evaporative System (PSI)
Evaporative System (Pa)
Barometric Pressure – Inches of Mercury (inHg)
Barometric Pressure – Inches of Mercury (Pa)
Catalytic Converter Bank 1 Sensor 1 Temperature (ºF)
Catalytic Converter Bank 1 Sensor 1 Temperature (ºC)
Catalytic Converter Bank 2 Sensor 1 Temperature (ºF)
Catalytic Converter Bank 2 Sensor 1 Temperature (ºC)
Catalytic Converter Bank 1 Sensor 2 Temperature (ºF)
Catalytic Converter Bank 1 Sensor 2 Temperature (ºC)
Catalytic Converter Bank 2 Sensor 2 Temperature (ºF)
Catalytic Converter Bank 2 Sensor 2 Temperature (ºC)
Battery Voltage
Load abs%
AFR commanded ratio
Relative Throttle Position %
Outside Ambient Air Temperature (ºF)
Outside Ambient Air Temperature (ºC)
Absolute Throttle Position 2 %
Accelerator Pedal Position 1 %
Accelerator Pedal Position 2 %
Command Throttle Position %
Boost PSI
Boost kPa
HP1
KW1
TRQ1 ftlbs
TRQ1 Nm
HP2
KW2
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off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
on
off
on
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
1
3.8
20
32
0.1
1
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
off
on
off
on
off
on
off
450
450
1
200
70
51
60
26
51
70
113
5
19
500
10,000
16,093
500
1893
5
19
0
0
0
0
0
99
70
113
70
113
51
100
379
4
15
10
1000
1610
70
113
60
21
51
100
379
4
15
20
1000
1610
3,000
4,828
30,000
48,280
145
63
TRQ2 ftlbs
TRQ2 Nm
Mass Air Flow Sensor 2 – Calculated
Instantaneous MPG
Instantaneous KPL
Instantaneous L/100km
Average MPG – General
Average KPL – General
Average L/100km – General
Average MPH – General
Average KPH – General
Average G/H -- General
Average L/H -- General
Run Time - General
Miles – General
Kilometers – General
Gallons Used – General
Liters Used – General
Instantaneous Gallons/Hour
Instantaneous Liters/Hour
Fuel Level (Gallons)
Fuel Level (Liters)
Miles to Empty
Kilometers to Empty
Time to Empty (miles)
Volumetric Effiency (Map vehicles only)
Trip Average MPH
Trip Average KPH
Trip Average MPG
Trip Average KPL
Trip Average L/100km
Trip Gallons Used
Trip Liters Used
Trip Ave Gallons/Hour
Trip Ave Liters/Hour
Trip Run Time (Hours:Minutes)
Trip Miles
Trip Kilometers
Srt Trip Average MPH
Srt Trip Average KPH
Srt Trip Average MPG
Srt Trip Average KPL
Srt Trip Average L/100km
Srt Trip Gallons Used
Srt Trip Liters Used
Srt Trip Ave Gallons/Hour
Srt Trip Ave Liters/Hour
Srt Trip Run Time (Hours:Minutes)
Srt Trip Miles
Srt Trip Kilometers
Oil Miles
Oil Kilometers
Service Miles
Service Kilometers
UltraGauge Internal Temperature (ºF)
UltraGauge Internal Temperature (ºC)
Note! The more alarms enabled, the longer it takes UltraGauge to detect if a particular alarm has been triggered. If it is critical that a
particular alarm generate an alert quickly, then disable other unimportant alarms.
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Trouble Code Alarm
MENU  Alarms ..  Trouble Code Alarm
Enabling this alarm will cause UltraGauge to alarm if trouble codes are posted by the Vehicles ECM. Most likely the vehicles
Check Engine Light on the dash will also light. To view the posted trouble codes select MENU  Trouble Codes..  Engine
Trouble Codes. UltraGauge checks for trouble codes every other time it completes checking all other gauge alarms.
Pending TC Alarm
MENU  Alarms ..  Pending TC Alarm
Enabling this alarm will cause UltraGauge to alarm if pending trouble codes are posted by the Vehicles ECM. The Vehicle will not
light the Check Engine Light on the dash when pending codes are posted. To view the posted pending trouble codes select MENU
 Trouble Codes..  Pending Codes. UltraGauge checks for pending trouble codes every other time it completes checking all
other gauge alarms.
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Trouble Codes ..
In order to read or clear the trouble codes, the engine does not need to be running, but the ignition must be in the RUN position and
it must stay in this position.
Clear Check Engine
MENU  Trouble Codes ..  Clear Check Engine
This not only turns off the check engine light, it also clears all the Trouble Codes posted by the vehicles ECM. Note that if the
trouble code was associated with a hard fault, such as a shorted sensor, the vehicle’s ECM will quickly repost the trouble code to
pending codes, or in some cases directly to the trouble codes and again light the check engine light. In this situation, it may appear
that the check engine light remains lit.
Note:
Some vehicles may not support this function. Vehicles supporting the VPM protocol such as older GM vehicles and some older
Chrysler vehicles have been found not to support this function.
Engine Trouble Codes
MENU  Trouble Codes ..  Engine Trouble Codes
Displays any trouble code as well as the number of trouble codes. UltraGauge can display up to 20 codes.
Each trouble code is prefixed by a letter. The letters signify the following:
Trouble Code
Prefix Letter
P
C
B
U
Meaning
Power Train
Chassis
Body
Undefined
The four numeric digits following the letter prefix uniquely identify the code for your vehicle. Each manufacturer may choose to
define codes differently and even differently among vehicle models.
The best approach to decode a trouble code is to search the web. For example, search for “2004 Dodge Durango P1002 Trouble
code”. There are several sites dedicated to providing trouble code information. Here are a few sample sites:
http://www.obd-codes.com/trouble_codes
http://www.trouble-codes.com
http://www.troublecodes.net/technical
http://autorepair.about.com/od/obdcodedatabase/a/OBD_1996_year.htm
Pending Codes
MENU  Trouble Codes ..  Pending Codes
Displays any pending trouble codes as well as the number of pending trouble codes. UltraGauge can display up to 20 pending codes.
Pending codes are potential issues discovered by the Vehicle’s ECM. These discovered issues are placed in the pending category
and watched by the ECM. If the issue persists after a certain amount of time or after a certain number of starts, the ECM will move
the code from Pending to the Trouble Code category, at which point the check engine light would be lit.
The format and meaning of Pending Codes is the same as that for Trouble Codes. See Engine Trouble Codes for additional detail.
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Miscellaneous
Units of Measure
Most of the gauges displayed by UltraGauge do not indicate the units of measure used. All units are those most commonly used in the
United States. There is no means to change the units of measure used or displayed by UltraGauge, rather select a gauge with the desired
units. The following are used unless specifically indicated otherwise for a particular gauge.
Measure
Distance
Temperature
Pressure
Angle
Volume
Unit
Miles or Kilometers
Fahrenheit or Celsius
PSI or kPa
Degrees
Gallons or Liters
Using UltraGauge on more than one vehicle.
Although not recommended, UltraGauge can be used on more than one vehicle. UltraGauge stores information such as engine size, fuel
tank size, mileage, distance, calibration and other configuration settings specific to your vehicle. Before use on a second vehicle,
UltraGauge will need to be completely reconfigured and calibrated. However, UltraGauge can be used to check engine trouble codes on
another vehicle without configuration or calibration.
Cleaning
The UltraGauge display uses a high quality glass with a polarizer coating. Clean the glass as you would the lens of sunglasses. Exhale
slowly and deeply onto the display. This will cause moisture to condense on to the glass. Wipe the display with a soft cloth.
If simple moisture is not enough to clean the display, spray a small spot of citrus based glass cleaner on to one end of a soft cloth. Never
directly spray window cleaner onto the display. Wipe the display with the area of the soft cloth containing the spot of cleaner. Once the
display is clean, use the other end of the cloth to dry the display.
Our experience is that classic Windex glass cleaner is not effective. We recommend “Goo Gone” or other citrus based cleaner.
http://www.magicamerican.com/googone/product/c7f8659a-40a3-412c-9f1c-03108e6a30db.aspx
The body of UltraGauge is formed from a durable plastic that is designed to reduce finger print marks and generally needs no cleaning.
However, the body may be cleaned using the same procedure as described for cleaning the display glass.
Troubleshooting
There are four primary sources of information to help with questions and trouble shooting
1. This manual. This manual contains information that answers 99% of questions our support team receives
2. Our commonly asked questions page: http://ultra-gauge.com/ultragauge/support/UltraGauge_Support_LP.html
3. Our knowledgebase: http://www.ultra-gauge.com/customer_support/knowledgebase.php
4. And finally, our support ticket system for technical questions: http://ultra-gauge.com/customer_support
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Specifications
Voltage Range
Interface
Dimensions
10 to 16 Voltage
OBD II compliant
CAN 11-bit, CAN 29-bit, J1850-VPM (GM), J1850-PWM (Ford), ISO 9141 (Chrysler and
foreign)
~ 6 foot
0 ºF to 160 ºF
-20 ºF to 160 ºF (Warranty is void beyond these limits)
LCD, LED backlight, Thermally compensated
3.43” Wide x 2.14” Height x 0.50” Depth:
http://ultra-gauge.com/ultragauge/support/dimensions.jpg
Power
~1W with display active, less than 1/4 watt with display off
Protocols supported
OBD II cable length
Operating temperature Range
Storage temperature range
Display
Document Revision History
Doc Revision
Date
1.0
6/27/12
Detail
First document release (First EM Version 1.2 ship within the US)
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OBDII Compliancy decals
Every passenger vehicle or light truck sold in the USA since 1996 has been federally required to be OBD II compliant. Compliance is
indicated on the emission decal located under the hood or possible in the door jamb. The decal is a black and white adhesive label, and
can be found on the sill just before the radiator, on the under side of the hood, on the firewall, on the fender skirt, or just about any area
under the hood that is somewhat flat and easily viewed. The following are just a few examples of emissions decals bearing the OBDII
certification. Note that International vehicles may have very different appearing labels.
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