Originally Posted by
Zman
I was also told if you re adjust the throttle blade screw then you need to adjust the tps again
this is because when you turn the set screw it moves the throttle blade which moves the TPS sensor from its static "closed position". this is why you have to readjust the TPS after you move the adjustment screw.
....and in theory the car is supposed th idle off of the IAC not the throttle blade. <----I realize this rarely works on a motor with big heads and cam.