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P0442 Diagnostic Trouble Code Discussion for July 2010

EVAP System Small Leak Detected


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Trouble Ticket Help Requests for DTC P0442
Help Request Posted
2001 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T41
P0442: EVAP System Small Leak Detected. Intermittant code PO442. Sometimes doesn't come on for 3 days. Cleared and sometimes comes on in a few hours. I replaced the gas cap since it seamed to come on the first time after I filled it up. After I cleared the code the first time it didn't come on for 3...
July 01, 2010
2001 Chevrolet Silverado 1500 5.3L MIL Lamp on VIN: 2GCEK19T41
P0442: EVAP System Small Leak Detected. Intermittant code PO442. Sometimes doesn't come on for 3 days. Cleared and sometimes comes on in a few hours. I replaced the gas cap since it seamed to come on the first time after I filled it up. After I cleared the code the first time it didn't come on for 3...
July 09, 2010
2000 Pontiac Grand Am SE 2.4L MIL Lamp on VIN: 1G2NG52T3Y
P0442: EVAP System Small Leak (0.040") Detected. I have done quite a few GM evap repairsa but this car is kcking my butt. No leaks during smoke test. Not quite sure what to look for when doing the purge/seal test. Tis 4cyl dosent habe manifold vaccum to purge valve (its a ported vaccum source) If you bring t...
July 12, 2010
2001 Chrysler Voyager 2.4L MIL Lamp on VIN: 1C4GT25B31
P0442: EVAP System Medium Leak (0.040") Detected. came in with evap code and smoke test showed couple 5/8 hose by canister dry rott. replace ldp pump,replace canister purge solonoid and couple hoses to canister with gas cap. clear code and send the car away now came back with evap code(same) and another thing...
July 26, 2010