speedometer and odometer incorrect


Asked by Sep 15, 2015 at 03:10 PM about the 2001 Pontiac Grand Prix GT

Question type: Maintenance & Repair

my speedometer reads about 5 miles over when going about 30mph and
even higher difference at higher speeds. my odometer is picking up miles
crazy fast about 7x what i am actually going.

3 Answers

If you have changed wheel/tire size from stock will effect speedometer and odometer Remember if you are watching a trip odometer that shows tenths of miles and the total mileage odo does not.


thx your right first car didn't know it was tenths. i feel stupid now in my defense it doesn't have decimals on mine.

1 of 1 people found this helpful.

That's why we are here... don't feel stupid. Happens to all of us.

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