did something dumb need help..
#12
RE: did something dumb need help..
Idle is controlled by the IAC. The screw that you took out isn't much more than a stop. It leaves the intake open just a tiny bit to prevent a vacuum lock at idle. A vacuum lock will causethe acceleratorto stick whenyou slowlyaccelerate from idle. When I put on a new throttle body,the accelerator would stick with the engine warmed up at idle but not with the engine off. I turned that screw 1/16th of a turn to fix the problem.
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Calizic
4.6L (1996-2004 Modular) Mustang
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08-28-2015 01:46 PM