When i floor it, it only reads 97.5% throttle. I tried to manually move the throttle plate, same results.

What does that mean? My sensor is off center? Should i loosen it, go full throttle, and tilt it till the VAFC reads 100%? Does ours even have play? Never messed with it...Any help appreciated!

 

Well I certainly wouldn't adjust your throttle position sensor based off the reading on your VAFC-II. I'm not sure why you even installed one.

If you're concerned your throttle position sensor needs calibration look up how to read the voltage off it...it's very easy to do.

 

It is a bit strange that it would not read 100%, but I don't think there is any reason to be concerned about it. It won't have any negative impact on the functionality of the VAFC, and won't change how you tune it.

 

You havent set it up right, when you first set it up you must have your foot flat to the floor for 10secs then leave off for 10secs, cant remember the name of the screen.

I had the same problem.