So I've been sorting out the new to me 2002 ep3 that I picked up this month... One thing I'm not getting figured out is my speedo accuracy.
I'm on a fresh set of stock sized tires (195/60r15), but the speedo reads really high.
I've verified against GPS and radar speed displays and let's call it 15%, But that varies with speed, down low (40kmh) it's about 20% high.
I checked the trans code and a previous owner replaced the sir trans with a base RSX so the final drive is 4.389 instead of 4.764. if using the sir VSS, that would be 8.5% high, but the thing is I took 10 minutes at looking at the VSS and it did not want to come out. I bet it's from the RSX trans and hasn't been out. So it should be correct to the FD.
Could it be the speedo stepper motor itself?
Anybody? Any body know if the base RSX VSS went to high frequency in 05-06 too, like type s?
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