Question about 2002 Pontiac Grand Am
That vacume hose you disconected is letting air into the intake tha IACV isnt it could be bad or clogged up with carbon try spraying some throttle body cleaner in there wth it running dont open the throttle but just a crack if that doesnt work it might need too be taken apart and cleaned
Posted on May 02, 2010
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Posted on Jan 02, 2017
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