I agree with ericcs - made my speedo right too, however my odometer is now 5% out, which has also altered my L/100 calculation. Need to somehow re-calibrate my odometer.
if your speedo is correct wouldn't the odometer be correct also?
When running standard tyres - 255/65/17 - my speedo was 6km/h out at 100km/h. I don't know if the odometer was correct then or not, I didn't check that. So, up-sized my tyres to correct the speedo and discovered that my odometer is also out by about 6%. I would have thought the same as you guys that they both operate off the same sensor. Maybe there is a seperate calculation done within the ECU? I don't know. My L/100 display is also affected in the same way.
Hey Revtrev, Yeah there is a bit of noise but I don't really care - just turn up the volume!!
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