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P0440 Diagnostic Trouble Code Discussion for November 2007

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2001 Chevrolet Cavalier Z24 2.4L MIL Lamp on VIN: 1G1JF12T51
P0440: EVAP System Malfunction. ... nightmare that I need help with! Car first came in MIL light on with code P0440 found purge solenoid to be bad so replaced purge and vent solenoid! code came back next day, smoke tested and found new vent solenoid to be stuck open! Replaced again with OEM!...
November 06, 2007