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Old 07-04-2013, 03:21 PM   #1
jeepermatt's Avatar
Join Date: May 2013
Posts: 116
idle air control question

alright, here's a stupid question for everyone, if I remove the IAC, and push the plunger on a hard surface is it supposed to move? I removed mine and tried and it is rock solid, so I replaced it.

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Old 07-04-2013, 04:48 PM   #2
Defcon 1's Avatar
Join Date: Jun 2012
Location: South New Jersey
Posts: 728
It's supposed to move electrically, I believe it "twists" in and out. Take the IAC out of its housing, then have a buddy "key-on" the ignition, not start but key on. The plunger should retract, this would allow bypass air around the butterfly valve in the TB to maintain the engines idle. It will extend when you key off too, this happens also when you accelerate the IAC will begin to close and the air flows through the TB butterfly valve in place. Make sure it's not slow to retract/extend.

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Old 07-04-2013, 04:53 PM   #3
jeepermatt's Avatar
Join Date: May 2013
Posts: 116
Thanks! Now i know its bad.with the key on,it did nothing.didnt move...was the source of a crappy idle and power loss!
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