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Old 10-01-2011, 06:33 AM   #1
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check engine soon

I have a 2002 mustang gt convertible with 70K miles. The service engine light comes on sporadically typically several days after I reset it. The code is PO442 and the light usually comes on when I get the car to higher speeds, 80-110 mph (mechanic tells me this is a coincidence and it doesn’t help with the diagnosis). The gas cap has been replaced and a mechanic could not find a vacuum leak or any issue with a hose. Mechanic suggests replacing celluloid. Anyone seen this type of problem before?
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Old 10-01-2011, 09:10 AM   #2
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You need a mechanic with a smoke machine. If there is a leak the smoke will show it. If not then yes the solenoid
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