Spedo recalibration - Pontiac GTO Forum
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post #1 of 3 (permalink) Old 02-03-2005, 11:00 PM Thread Starter
 
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Spedo recalibration

If I change my wheel and tire size how hard is it to get the speedometer recalibrated? Is it just a matter of some reprograming at the dealer or is it more involved then that?
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post #2 of 3 (permalink) Old 02-04-2005, 10:31 AM
 
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You will have to use an aftermarket programmer. I did mine with a Diablo because I changed gears and had to recal the speedo instead of putting unnecessary miles on the car.
Your dealer will not do this for you. They only flash or reset the PCM to the original settings.
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post #3 of 3 (permalink) Old 02-04-2005, 11:20 AM
 
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your local pontiac dealer can recalibrate it with a Tech 2!!!!!!!!!!!!
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  Pontiac GTO Forum > The 2004-2006 GTO > Service, Maintenance and Technical Discussion

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