Need Help With Idle - Ford Mustang Forum
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post #1 of 2 (permalink) Old 2 Weeks Ago Thread Starter
WhyNoAirbags?'s Avatar
Joined: Mar 2020
Posts: 3
Need Help With Idle

Recently I got my 1985 Convertible with the 3.8l V6 running well, most of the time it doesn't idle, it just stalls unless I gas it the moment it turns over. Once or twice I've gotten it to idle after a time if gassing it and letting off. This is what it sounds like.
My question is, im not sure fully what it could be, but along with the idle issue, when I open up the throttle body after running it, plumes of white smoke come out, I'm not sure if this is normal because I've never worked on older vehicles. Can anyone tell me where the IAC or IAB are located?

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post #2 of 2 (permalink) Old 2 Weeks Ago
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Beechkid's Avatar
Joined: Apr 2013
Location: SoCal
Posts: 4,502
White smoke depending on it's "tint" can be either oil (bypassing the rings or valves) or coolant (head gasket leaking)...if it's coolant, it will have a distinct burned coolant smell. Sounds like its time to run a compression check.

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