what is the signifiance of diagnostic code PO442

Asked by bigwilly47 Mar 14, 2012 at 04:20 PM about the 1998 Pontiac Firebird Convertible

Question type: Maintenance & Repair

1 Answer

trip65 answered 12 years ago

that has to do with evap system , did you fill up with the car running? that will do it or you have a small leak within the system . faulty gas cap for ex.

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