2000 ls1 SD turbo tuning issues
we have allready tested the fuel pressure, tps...tomorrow im going to check for an intake leak or map sensor leak and were going to put a new tps in it just for the hell of it. thanks for any help, i dont even think this is enough information for anyone to help,but im just trying to help my teacher out with tuning the car since idk how to tune a car at all.
http://download.efilive.com/Tutorial...g%20System.htm


