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P0442 Diagnostic Trouble Code Discussion for July 2005

EVAP System Small Leak Detected


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Trouble Ticket Help Requests for DTC P0442
Help Request Posted
2002 Acura RL Premium 3.5L MIL Lamp on VIN: JH4KA96512
P0442: Evap leak small. Just a question for you Acura techs out there. Evap code keeps re setting. Checked system and found 1 solenoid not clicking when power supplied to it. Its the one off to the side of the cannister. We assume this is bad but when we removed it gas came out. My q...
July 16, 2005
2000 Saturn SL2 1.9L MIL Lamp on VIN: 1G8ZK5279Y
P0442: EVAP System Medium Leak (0.040") Detected. ... intermittent EVAP code P0442. Tested evap system with smoke machine(Vacutec Evapro)System will hold pressure with canister vent powered on - vent closed. System will hold 6" h20 for hours. I checked the fix database & tested coolant temp sensor wit...
July 21, 2005
2001 Chevrolet Silverado 2500 HD 8.1L MIL Lamp on VIN: 1GCHK23G81
P0442: EVAP System Small Leak Detected. Hello to all again, this truck is giving me the fits. Small evap leak code stored, fuel trim short term and long term were normal in freeze data leading me to believe purge valve is ok. First checked FTP voltage with gas cap off-1.43 KOEO(a little low,specs. s...
July 22, 2005
2002 Acura RL Premium 3.5L MIL Lamp on VIN: JH4KA96512
P0442: Evap leak small. Just a question for you Acura techs out there. Evap code keeps re setting. Checked system and found 1 solenoid not clicking when power supplied to it. Its the one off to the side of the cannister. We assume this is bad but when we removed it gas came out. My q...
July 16, 2005
2000 Saturn SL2 1.9L MIL Lamp on VIN: 1G8ZK5279Y
P0442: EVAP System Medium Leak (0.040") Detected. ... intermittent EVAP code P0442. Tested evap system with smoke machine(Vacutec Evapro)System will hold pressure with canister vent powered on - vent closed. System will hold 6" h20 for hours. I checked the fix database & tested coolant temp sensor wit...
July 21, 2005
2001 Chevrolet Silverado 2500 HD 8.1L MIL Lamp on VIN: 1GCHK23G81
P0442: EVAP System Small Leak Detected. Hello to all again, this truck is giving me the fits. Small evap leak code stored, fuel trim short term and long term were normal in freeze data leading me to believe purge valve is ok. First checked FTP voltage with gas cap off-1.43 KOEO(a little low,specs. s...
July 22, 2005