Need help coming up with the correct conversion formula for TPS data sent from an Arduino to TunerPro5. Communication is working, after connecting the device, open dash, turn the Throttle Position sensor and the gauge rolls over 4 times while doing a full sweep but will go from 0.49 to 5.0vdc at about 1/4 travel. I am using the conversion in the $42 TPS adx( X * .0196).

Im a little confused as to why the needle sweeps from 0.49-5.0 4 times instead of just 1 and I am assuming it's the conversion but I could be wrong. Any insight is appreciated.

Buddrow