Quote:
Originally Posted by ThermionicScott
Second full tank under the tutelage of my ScanGauge. I scored just shy of 25 MPG. Was hoping for better, but I'll take it. 
I had used the ScanGauge on my dad's pickup when I borrowed it to haul some things last month, and so the SG estimated I'd used a few extra gallons of gas. Without really thinking, I adjusted the fill amount downward. In retrospect, I shouldn't have done that -- it'll probably overestimate my MPG now, won't it? |
Personally, I prefer to adjust the engine size parameter to get my SG as close as possible, then use the tank calibration for fine tuning.
It's a good idea to write down the calibration when swapping to another car so you can always go back to it.