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P0440 Diagnostic Trouble Code Discussion for February 2013

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2006 Chevrolet Express 2500 4.8L MIL Lamp on VIN: 1GCGG25V56
P0440: . ... engine light. Found code p0300 random multiple misfire code. Performed crank/cam variation and misfires have stopped. Addressed p0455 smoke evap system and ran service bay test with snap on solus ultra. Vehicle completely seals. Tested purge and vent seper...
February 15, 2013
2000 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52J8Y
P0440: EVAP System No Flow During Purge. ... before. This Malibu came in with a p0440. Smoked system and found leaking vent valve. replaced it and it still failed the service bay test. Smoked system again thinking we missed something. No leaks found anywhere. replaced cap and purge just to be sure. S...
February 26, 2013
2008 Jeep Wrangler X 3.8L Cuts out, MIL Lamp on VIN: 1J4FZ24158
P0440: Evap failure. First off thanks for any help in advance. I admit im far from being a chrysler tech and we work on very few chrysler driviability issues but were rural and there isnt anywhere close to regift this one to. Its a rural mail carrier and sees constant stop and go ...
February 26, 2013