Update, I replaced the IAC, set it with the A+B jumper process and the car runs perfectly now. The scanmaster shows IAC between 17-40 as I drive. My guess is the new one I put in over the winter was defective......anyway thanks for all the suggestions.
This morning I removed the new Accufab throttle body to get a better look at the plate, it appears to seat properly in the housing, I do not see any gaps when the plate is fully closed. I assume the IAC controls the two air passages one on each side of the plate. The only other ports on this...
I found this during my search for high idle. "setting a new IAC" I am not sure what is meant by the first line, Jumper ALDL
Jumper ALDL connector pins A and B. (top right two pins)
Turn the ignition on but do not start the engine. The ECM sets the IAC count to zero.
Wait 30 seconds so the...
I read up on the IAC procedure, with the engine running and me adjusting the butterfly in the throttlebody the highest I can get the IAC to read on the scanmaster is 06, I know the flap is open pretty wide and the rpms were approx. 2500
This is a brand new IAC and a brand new throttlebody. I may...
I have developed a very erratic idle on my grand national. When the car first starts it ides around 850 rpm, it will do this for a few minutes then all of the sudden jump straight to over 1500 rpm eventually topping out around 2200 rpm. I checked the TPS and at idle it is .40, the IAC with the...
I am hoping someone can tell me the size of wrench I will need to remove the brass adapter that threads into the block for the turbo drain tube. I know the swivel nut on the drain tube is 1-1/16" but I want to know the adapter size on the block.....thanks
Also take a look at your cam sensor, take off the plastic cap and see if the metal cup is moving around on you, there is a little tab that keeps it in place, the tabs break and the cup turns