idle question May 21, 2011, 11:10:29 PM On my 88 cougar with 5.0, it like to randomly (while parked or while driving with normal temp, oil, and volts) idle up to about 1500 - 1800 rpm......... I'll unplug the idle control motor/sensor and it idles down.Is there a ghost in my computer or is the IAC motor need cleaning or replaced? Thank You Quote Selected
idle question Reply #1 – May 22, 2011, 10:21:28 PM needs cleaned. take it off the car and also take the sylonoid off the end and clean the hell out of it with carb cleaner. also push the rod in the middle of it and spray it down good too. buy a new gasket and put it back on. the car might idle weird for a but and shut off just give the computer time to realize whats going on. Quote Selected
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