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Re: Sorry - fuel consumption question (harryj)

It's possible (and quite likely in my opinion) that the computer is giving bad mpg info. I think it calculates your mileage based on the consumption of the most recent 20 miles driven, not a true average from the time you reset the system. I think it might be more accurate to just calculate your mileage the old fashioned way. Just reset your trip odometer the next time you fill up, drive around and note the miles driven the next time you add gas. Just divide the miles by the amount of gas you add and voila!, you've got mpg. More accurate in my experience.
 
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