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P0440 Diagnostic Trouble Code Discussion for February 2006

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2001 Buick LeSabre Limited 3.8L MIL Lamp on VIN: 1G4HR54K91
P0440: EVAP System No Flow During Purge. This car came in a while back with this same code AND a check gas cap message on the DIC. Well, it's back. Again I have done the trouble tree. Smoked the Evap system. Done the purge/seal test. THIS PARTICULAR CAR DOES NOT SUPPORT THE SERVICE BAY TEST ON THE...
February 08, 2006
2001 Chevrolet Cavalier 2.2L MIL Lamp on, runs fine VIN: 1G1JC12451
P0440: EVAP System Malfunction. ... engine light on, car running fine. Retrieved code P0440, emission system fault. Checked out wires by canister back by fuel tank coming out of body ( have seen them corroded there before on cavaliers), found nothing, wires and connection were clean. I clear...
February 22, 2006
2002 Lexus SC430 4.3L MIL Lamp on, Idles down slowly. VIN: JTHFN48Y42
P0440: EVAP Control System Malfunction. ... be a different code, P0440, with a long list of possible causes in Alldata. Of them, I have eliminated the cap by testing, and the customer states that the cap hadn't been removed since the car was last at the shop. I have attempted to smoke test the evap....
February 22, 2006