Originally Posted by Mik Ohki
You need to reset the meter in the car occasionally, I usually do it on every tank. Fuelly calculates the same as you would by hand and I would imagine weighs those averages based on gallons consumed and miles traveled, so a 400 mile trip based average would count something like 4 times more than if you filled up after only 100 miles.
That is just my guess. I also think I read Fuelly bases it's number on only the last ten fill ups, but I am not positive about that. I'll look at the FAQ later.
I am sorry, I think you misunderstood me. I do reset it with every gas tank. For the same full gas tank, I calculate by hand and compare that to the dashboard readout. I noticed that your fuelly said 0.0 MPG, so I was wondering how you were reporting 44MPG, what method you were using. My dashboard routinely reports 40MPG, but the reality is significantly lower sometimes by as much as 10%.
'02 Honda S2000, 2012 Silver Focus HB, 5 spd Ordered August 13th, Build Date Sept 19th, delvrd: 9/29/2011. Sport pkg, Moon Roof, Winter Pkg, 203A