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P0440 Diagnostic Trouble Code Discussion for October 2004

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
1997 Pontiac Sunfire SE 2.2L Excessive Emissions, MIL Lamp on, GAS SMELL VIN: 1G2JB5240V
P0440: EVAP System Malfunction. this car has a strong gas odor some times i have tested the system with my evap smoke/pressure tester and the only leak i get is at the vent vsv. if i command it off the leak goes away alldata says that the vent vsv is normaly open. is this correct ? i cant se...
October 08, 2004
2000 BMW M5 5.0L MIL Lamp on VIN: WBSDE9349Y
P0440: BMW-232 Evap control system problem. Hi all. I have this M5 that will set fault code P0441(232) intermittently. The vehicle is only driven once in awhile. (A weekend car.) I have used the Modic to run an evap self test and it passes. The fault has logged 3 times. I can hear the purge valve workin...
October 14, 2004
1999 Cadillac DeVille 4.6L Excessive Emissions, MIL Lamp on VIN: 1G6KFS496X
P0440: EVAP System Malfunction. I have a Evap code p0440 come back after we repaced the gas cap. It took quite a long time of driving before it came back on. Visual inspection service port cap on snug, valve core snug. Followed Diagnosistic chart to find step #4 running service bay test my s...
October 18, 2004
2000 Toyota Celica GT 1.8L MIL Lamp on VIN: JTDDY32TOY
P0440: EVAP Control System Large Leak Detected. Car comes in about every 4 to 6 weeks with MIL on. Always the same story. Same codes PO440, PO 441 and PO 446. Smoke machine shows leak at fuel filler area. I like 3 or 4 others before thought it was the gas cap. It's been replaced 6 times and that's not the p...
October 21, 2004
1998 Saturn SL2 1.9L MIL Lamp on VIN: 1382J5272W
P0440: EVAP System Performance. this saturn has an evap code that comes back quickly, i did a smoke test, negative results, checked the filler neck, top of tank, ccv on neck, all seem ok. found 1 soft hose( from oil leak) at solenoid valve under intake, replaced it. checked integrity of evap...
October 25, 2004
2000 Toyota Celica GTS 1.8L MIL Lamp on VIN: JTDDY32TXY
P0440: EVAP Control System Large Leak Detected. retested system and vsv is functionoing properly and 30 days later the mil came back on with po 440.is the vsp in the tank defective. does anyone have a fix with the same problem.do i need to smoke the system? or pull the tank? the canister is above the tank. ...
October 30, 2004