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P0440 Diagnostic Trouble Code Discussion for October 2008

General EVAP System Failure

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Trouble Ticket Help Requests for DTC P0440
Help Request Posted
2001 Nissan Frontier SE 3.3L MIL Lamp on VIN: 1N6ED27Y41
P0440: EVAP System Small Leak Detected. This gem was dumped in my lap truck is from used car lot customer the first tech that worked on truck changed vent control valve before truck was delivered to customer truck returned 3 days after with check engine lite 0n po 440 freeze frame readings 2600 rpm ...
October 03, 2008
1998 Chevrolet Malibu 3.1L MIL Lamp on VIN: 1G1ND52M1W
P0440: EVAP System No Flow During Purge. ... got this malibu it came with check engine light on because it would not pass emission it had code for evap p0440 i check the the vacuum hose for the purge solenoid the hose bas broken replace it ran the evap test with the tech 2 try to close the vent solen...
October 07, 2008
2001 Toyota Echo 1.5L MIL Lamp on VIN: JTDAT12351
P0440: EVAP Control System Large Leak Detected. Toyota Techs HElP PLEASE... These three codes have returned again after canister replacement. Old canister had leaking close valve. Now leak test system(smoke/pressure) no leaks anywhere in system. Purge vac. is reaching tank and canister. Viewed top of tank a...
October 16, 2008
2001 Lexus IS300 3.0L MIL Lamp on VIN: JTHBD18231
P0440: EVAP Control System Malfunction. ... this system. I have Vacuum and pressure tested this system as well as the pressure sensor electrical test @ the ECM as per Alldata. I replaced the charcol Canister assembly due to other techs sugestion. What I am not sure of is what vacuum supply feeds the...
October 22, 2008
2001 BMW 540i 4.4L MIL Lamp on VIN: WBADN53481
P0440: evaporative system function. Hello everyone, i've got this 01 540 in the shop thats setting code PO440 bmw code 093. This code sets when there is a flow check malfunction. The dme looks for a deviation in the mixture or for a slight deviation in the rpm when purging the tank. I ran an eva...
October 29, 2008