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How to Configure Scangauge for correct KPL

There have been a lot of questions and comments about correctly calibrating  ScangaugeII. There is the user manual you can go to but we also found great article from one our customers that we would like to share. If you are interested to learn more read the full article below.


Hi, In this how-to, I would like to demonstrate a simple step by step process on how to setup and calibrate a ScanGaugeII. I would also like to address what we think are the reasons that many have difficulty setting up their ScangaugeII to more accurately reflect their KPL.

There are 2 parts to the process of configuring your ScangaugeII. The first part is setting up constant vehicle parameters like fuel tank size, engine displacement and fuel type. The second part is calibrating fuel rate and speed. I believe that in many cases if someone is having a problem getting the right KPL, it is because speed is calibrated incorrectly. This is especially true if the calibration was done based on dash speed or even GPS speed.

Part 1: SETUP

1) Engine Displacement
Set the displacement in liters and hit SAVE button.
2) Fuel
Make sure this option is set up and hit SAVE button.
3) Fuel Tank Size
Set the tank size and hit SAVE button.

You may also want to adjust the UNITS based on your preferences or location.


1) Speed
This is where I think many of the problems are that people are having. This setting is important for the Scangauge II to determine how many km you have traveled based on your speed. The reason why I am stressing distance is because that is this number that the ScanGaugeII uses to calculate your KPL, not your speed. Having the ScanGaugeII speed calibrated for my dash speed or GPS speed yielded very different distances traveled. They were off between 20-30 km per 160 kms traveled. This drastically offset what my ScanGaugeII was reporting for my KPL

The first thing you should do is decide how you want to calibrate the distance you have traveled. I chose the mile markers on the highway. You can also use a portable GPS device that records distance if you feel that is more accurate. What you will need to do is adjust the speed % in MORE>SETUP>SPEED so that the distance traveled on your reference distance matches that of the ScanGaugeII. This easiest way to do this is by using the "CURRENT" trip function.

1) From the main screen hit the trip button until the screen shows "CURRENT". Then hit the top left or right buttons until km is displayed on the screen.
2) Hit the reset button that is on the CURRENT screen when you get to a mile marker or when you reset the distance on your GPS.
3) Drive a few miles or until you start seeing a discrepancy. If you are above or below your best speed percentage, you should start seeing a noticeable discrepancy after about 8 or 16 KMs.
4) If the distance reported on the ScanGaugeII is farther than your distance reference, move the speed percentage down a percent.
5) If the distance reported on the ScanGaugeII is not far enough, adjust the speed percentage up a percent.
5) Repeat this until distance is relatively accurate.

I know the process above sounds long and tedious, but it will really not take that long to do. Right now, my distance is only off by maybe 0.2 or 0.3 KMs per 160 KMs traveled. As far as speed goes, when my dash is 112.5 KPH, my scan gauge reads 111 KPH and my GPS reads 109.5 KPH. Who knows which one is really correct.

2) Fuel Rate
This part is more fun.
1) The first time you fill up when using the Scangauge II DO NOT adjust the fuel percentage. Just hit the done button indicating to it that you have filled your tank.
2) The next time you fill up your vehicle, make sure you go to the same pump. Before you leave your car, it is a good idea to go to the MORE>FILLUP page to see about how much fuel you need to put in. That way you accidently hit the auto-shutoff too early, you know you can put more fuel in.
3) Fill up your tank but don't try to squeeze in more fuel after the the pump hits the auto-shutoff. This will allow you to get a more accurate calculation. It is hard to top it off in the exact same way each time.
4) Repeat until the Scangauge II can accurate predict how much fuel needs to be added to your car when you go to the MORE>FILLUP page.

I hope this makes the process a little more clearer for someone having problems calibrating their ScanGauge II. I also hope this is good for someone that has not used one and does not like to read manuals like me.


We hope that you found the article interesting. Please feel free to contact our support team in case you have any questions or any feed back.