...on our Cruze LTZ, it seems to be simple:
MPG = MPH ÷ GPH
...because the totalized-gallons value is where the "error" seems to lie, because the totalized-miles value always coincide with the TRIP#1 (and #2) numbers.
Last edited by gone-ot; 02-25-2011 at 01:03 PM..
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