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P0442 Diagnostic Trouble Code Discussion for November 2004

EVAP System Small Leak Detected

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Trouble Ticket Help Requests for DTC P0442
Help Request Posted
2002 Chevrolet Astro LS 4.3L MIL Lamp on VIN: 1GNDM19XX2
P0442: EVAP System Small Leak Detected. We service a fleet of nine 2002 and 2003 Astro vans. They have between 40k and 90k miles. Most of the vans have arrived with the mil light on. They store code PO442. Small evaporative emmisions leak. We have gone through all the tests but to no avail. Has anyo...
November 10, 2004