Join Now
International Automotive Technicians Network

P0440 Diagnostic Trouble Code Discussion for May 2008

General EVAP System Failure


Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2002 Saturn LW200 2.2L MIL Lamp on VIN: 1G8JU84F02
P0440: EVAP System Performance. Extracted PO440. Can operate both purge and vent solenoids with brick scanner. Getting plenty of vacuum through purge solenoid when commanded on. System holds vacuumwith both solenoids commanded on. Releases vacuum when vent solenoid is commanded off. FTP sens...
May 09, 2008
1998 Subaru Legacy L 2.2L MIL Lamp on VIN: 4S3BK4351W
P0440: EVAP System Performance. I am looking for the evap test port connection. Cannot seem to find it anywhere. Does it have one? Suspect leak around filler pipe due to heavy rust. But would like to smoke the rest of the system to be sure. Thanks.
May 21, 2008
1998 Subaru Forester S 2.5L MIL Lamp on, locate tank sensor VIN: JF1SF6550W
P0440: EVAP System Performance. I am looking for the fuel tank pressure sensor on this vehicle. Alldata indicates it is on the right rear quarter panel inside. It is not there. Alldata says 2000 models have this part on the fuel tank. Does anyone know where it is located? Thank you
May 22, 2008
2002 Saturn LW200 2.2L MIL Lamp on VIN: 1G8JU84F02
P0440: EVAP System Performance. Extracted PO440. Can operate both purge and vent solenoids with brick scanner. Getting plenty of vacuum through purge solenoid when commanded on. System holds vacuumwith both solenoids commanded on. Releases vacuum when vent solenoid is commanded off. FTP sens...
May 09, 2008
1998 Subaru Legacy L 2.2L MIL Lamp on VIN: 4S3BK4351W
P0440: EVAP System Performance. I am looking for the evap test port connection. Cannot seem to find it anywhere. Does it have one? Suspect leak around filler pipe due to heavy rust. But would like to smoke the rest of the system to be sure. Thanks.
May 21, 2008
1998 Subaru Forester S 2.5L MIL Lamp on, locate tank sensor VIN: JF1SF6550W
P0440: EVAP System Performance. I am looking for the fuel tank pressure sensor on this vehicle. Alldata indicates it is on the right rear quarter panel inside. It is not there. Alldata says 2000 models have this part on the fuel tank. Does anyone know where it is located? Thank you
May 22, 2008