adjusting idle?
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Trial User
Joined: Aug 2010
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adjusting idle?
my car recently failed smog for idle being to high. I printed out the adjustment procedure from alldata and I have the adjustment screw all the way out and the idle is still at 800-850rpm. It is supposed to be at 420 with the IAC unplugged. Any ideas?
Honda-Tech Member
Joined: Feb 2008
Posts: 45,214
Likes: 59
Re: adjusting idle?
Check whether your throttle cable is adjusted too tightly. There should be about 1/2" of slack.
Clean the throttle body if the throttle plate is sticking open.
Check for a vacuum hose leak or an intake air leak from the IM or TB gasket.
Clean the throttle body if the throttle plate is sticking open.
Check for a vacuum hose leak or an intake air leak from the IM or TB gasket.
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