So I replaced the IACV on my 03 TL-S because it would randomly try and idle at 2k - 3k rpm. First day after the new IACV was fine but now its doing it again. Could it possibly be the throttle body gasket? This throttle body has been taken off 3-4 times and has used the same gasket today.... could air leaking in around this gasket cause this?
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