Resetting lifetime AVG MPG

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07-10-07, 08:48 PM

#16

07IS350

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Good find...

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07-10-07, 10:36 PM

#17

jackblack7

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Quote:

Originally Posted by IS250 4 Me

Well, if you normally top off your tank, your tank level gauge is probably thrown out of calibration. Hence you get an incorrect MPG reading.

I never top off, and my MPG gauge is deadly accurate.

I never top off. I'm done when it clicks. I did notice it's more accurate when I do more highway driving though. Normally I drive about 90% city driving.