Any of you guys had this happen?
I was on my way home last night on the highway, and stopped in at Walgreens, which is two blocks off the highway. As I shut the car off I checked the mpg for the tank (I assume all you guys do this too) and it was at 76.6 mpg, with a little over 220 miles on the tank. When I came out of Walgreens and started the car, the tank mpg was now at 74.7, basically dropping 2 mpg.
I know it recalculates like every minute, but when I'm over 200 miles on a tank I've never seen it drop more than a quarter mpg. This ever happen to any of you guys?
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