How to re calibrate speedo on a 2004
#1
How to re calibrate speedo on a 2004
Have a 2004 Mach 1 and switched to 18 inch wheels....still running 3.55 gears but now speedo 5 mph too fast.....checked with a gps app
so how to re calibrate?
so how to re calibrate?
#3
Yup, the PCM needs to be flashed and recalibrate to new tire height. A hand held tuner would do the trick, a tuner shop would be able to do it, a dealer should be able to do it for you too.
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Evil_Capri
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2/25/16 07:17 PM