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P0440 Diagnostic Trouble Code Discussion for February 2007

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
1996 Pontiac Grand Am SE 2.4L MIL Lamp on VIN: 1G2NE12T1T
P0440: EVAP System No Flow During Purge. ... running fine. I found fault code p0440 (EVAP Fault) and after testing vent and purge solenoids and checking for leaks I repaired a loose connection in the vapor line from the tank to the front mounted canister. After clearing the computer memory and confir...
February 15, 2007
1999 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G3GR62COX
P0440: EVAP System Malfunction. ... in with p0440 purge sol will not command on with tech 2 have 12 volts at pink wire, use dvom between pink wire and green/white wire also shows 12 volts, but it will not control the duty cycle of purge sol. thanks for the help.
February 19, 2007