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P0440 Diagnostic Trouble Code Discussion for September 2012

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2007 Chrysler Pacifica Touring 4.0L MIL Lamp on VIN: 2A8GF68X67
P0440: General EVAP System Failure. This thing has been eating my lunch the gas cap lamp was coming on found faulty purge solenoid replaced and now i get a po440 and the system does seal and the valve on the bottom is sealed properly and indexed with connector at 3o-clock also it does pass and l...
September 05, 2012
2002 GMC Sonoma SLS 4.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GTDT13W12
P0440: EVAP System Malfunction. misfires only on left bank, no misfires on right happes through rpm range only has one cat for vehicle, short term fuel trim +35 lg term -8 injector pulse width running for right bank4.7 for left bank 8.9 at idle. Why the difference and why oly one bank misfir...
September 10, 2012