No you cant do that it is capped from factory and it is not going to change anything.wilson07 said:If its tbi theres a screw you can tighten or loosen to change the idle
Actually its just a tin coating thats easy to scrape off it adjusts the throttle cable tension so it makes it possible to raise or lower the idle.betterthanyou said:No you cant do that it is capped from factory and it is not going to change anything.
I am willing to bet the IAC is stuck open or not working at all. Remove it and check. Also check to make sure the seat where the IAC pintle seals against is clean.
Set timing at 10* BTDC with the timing wire disconnected and leave it. If you are trying to pass emissions this is where it needs to be.