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Will the ScanGauge II work on my vehicle?
The Scangauge II will work on most cars and light trucks since
model year 1996. There are also some 1994 and 1995 models which
the ScanGauge II will work on (Ask
us). There are some vehicles built after 1996 that the ScanGauge
II will not work on or has some limitations in the
gauges and trip information (Ask
us). |
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Will the ScanGauge II be able to clear my
trouble codes and turn off my "Check Engine" light?
The ScanGauge II will clear the codes and turn off
the check engine light on 99% of 1996 and newer vehicles.
It has been reported that it can not do this on some trouble
codes in the Dodge vehicles.
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How can the ScanGauge II do all of these
things with only a single connection to the vehicle?
ANSWER: Since 1996, all cars and light trucks sold in the US
have been required by law to have an On-Board-Diagnostic version
2 (OBD2 or OBD II) connector inside the passenger compartment.
It is required to provide diagnostic information and allow resetting
of the CHECK ENGINE light. It also provides a lot of other operating
information. The ScanGauge II performs the diagnostics functions
like a conventional scan tool. It also goes beyond this and
uses the other data to add many more useful functions. |
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Do I need to know what Protocol my car uses?
No. The ScanGauge II automatically determines which protocol
your vehicle uses and switches to it. |
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Can I use the ScanGauge II on more than one car.
Yes. There are no restrictions on moving it from car to car. |
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Can my 1995 Ford Mustang use it?
Maybe. Some 1995 and even some 1994 vehicles are OBD2 (sometimes
shown as OBD II) compliant. Look at the emissions stickers under
the hood. If you find one that says OBD2 or OBD II, you should
be able to use the ScanGauge II. |
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Can I use the ScanGauge II to tell how fast and how
far my teenage son drove the car last night?
Yes. This information is stored in the trip computer and it
can be recalled by you for up to a day after he used it. |
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What if my son disconnects the ScanGauge II while
he is using the car.
If the ScanGauge II was disconnected during the trip, a disconnect
indicator will be displayed in the trip data. |
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My speedometer only goes to 90MPH. Can the ScanGauge
II show speeds above this?
Yes, the ScanGauge II can show speeds up to 158MPH. |
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Can I tell how high the coolant temperature has been
getting on my wifes car?
Yes. The maximum coolant temperature is stored by the trip computer
and can be read back by you later. |
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Can I use the ScanGauge II to save fuel?
If your car reports information on fuel consumption (99% of
cars and light trucks do), and you use it to adjust your driving
habits, you can save a lot of fuel. |
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Do I have to reset the trip computers for each trip?
No. The CURRENT trip can be reset manually if you desire. It
is automatically reset after the ignition has been off for more
than a few minutes. The DAY trip will accumulate the entire
days trip information and reset itself after the ignition has
been off for more than 8 to 9 hours. The DAY
information is moved to PREVIOUS before it is automatically
reset. |
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The MPG gauge reading changes very quickly with slight
changes in throttle or load. Can I smooth this out to better
determine the affect of speed on fuel economy?
Yes, use the TRIP MPG function in the CURRENT mode. After reaching
the desired speed, reset the TRIP. The average MPG since it
was reset will be reported. |
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Can the ScanGauge II show if there is a difference
in MPG between using my truck with the tailgate up or down?
Yes. See Tailgate Up/Down and
Gas Mileage. |
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The ScanGauge II shows a trouble code of E0468. How
do I figure out what this means?
There are many sources to decode this. A search of the internet
for Trouble Codes for your particular vehicle is a great way
to get them. Print them out and keep them in the car for future
reference. You can also find them in the vehicle shop manual
and after-market service and emissions manuals. |
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What is FRZD in the ScanGauge II?
When a trouble code is set, the data at that time (RPM, Coolant
Temperature, Speed, Throttle Position, etc.) are captured like
in a freeze frame. FRZD can be used to recall this data to help
diagnose the problem. |
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What are the dimensions of the ScanGauge II?
The ScanGauge II is 4.8"Wide, 1.5"High and 1.0"Deep. |
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When I press SCAN it says -Not Ready- in the lower
line. How can I tell which OBD test has not been completed?
There is a way to do this using the CMNDS feature in
the ScanGauge II. See Finding Incomplete
OBDII Tests Using the ScanGauge II. |
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How do I find the plug to connect the ScanGauge II?
The OBD2 connector is supposed to be located within 1 meter
of the steering column. It is usually under the dash and just
to the right or left of the steering column. Sometimes it will
have a cover over its face. Other locations are under the dash
on the passenger side under the dash, behind the ash tray and
in a rare case, under the ash tray in the back seat armrest.
The pictures below show the OBD2 plug in a typical location.
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