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mgoff_32 04-29-2013 08:44 AM

CEL on need advice
My check engine light is on and it gave me the code PO505 anybody ever had this before any help would be appreciated

Jerry Bransford 04-29-2013 09:44 AM

That code is for a malfunctioning IAC (idle air controller) which is mounted onto the throttle body, on the side nearest to the valve cover. Gently cleaning it with a toothbrush & aerosol throttle body cleaner after removing it from the throttle body normally restores it back to operation. Be sure to also clean the opening in the throttle body if fits into, a baby bottle nipple brush would work ok. The IAC is only held on by two small torx screws.

Rarely does the IAC need to be replaced, cleaning it is normally all that is needed.

mgoff_32 04-29-2013 08:41 PM

Thanks man after getting home with it today I checked it out and the plug was loose on it

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