speedometer off
06-04-2011, 01:50 AM
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Staging Lane
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speedometer off ok so the speedo on my 2000 t/a 5.7L m6 gets more and more off the faster i go. at 35 mph i am about 3 mph off. but at 70mph on my gps i am only going 55mph on my speedo. it has stock 3.42 gears and stock tire and wheel sizes. i am guessing something has gone bad i.e a sensor or something. however, i am not too familar with this system and my hanes manual doesn't go into the speedo.
so what do i need to look at and where are the things i need to look at. any troubleshooting tips or suggestions of how to figure this issue out?
so what do i need to look at and where are the things i need to look at. any troubleshooting tips or suggestions of how to figure this issue out?
