Join Now
International Automotive Technicians Network

P0440 Diagnostic Trouble Code Discussion for February 2006

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
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
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