IAC Question

soulta

New Member
Oct 3, 2011
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May be a dumb question but is the IAC supposed to leak air from here? I just installed this brand new IAC and both the old and new one leak from this round part. I have no other vacuum leaks. Also when plugged in or unplugged there is no change in Idle Speed or RPMs. Possibly the TB? On a 1999 Cobra.

 
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Why did you replace this part? Are you throwing a code, having weird idle issues. We need more information to help you out. I have a 99 gt and no air leaks on mine. Mine has a hose coming from this part over to my cold air intake to allow air to bypass the throttle body. This helps when first starting the car. Yours is different so I'm not sure if the IAC is designed this way on the cobras. Have you looked at your manual to make sure everything is hooked up properly.