P0440 Diagnostic Trouble Code Discussion for June 2009
General EVAP System Failure
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| Help Request | Posted | |
| 2003 Dodge Durango SLT 4.7L MIL Lamp on VIN: 1D4HS48NX3 P0440: General EVAP System Failure. vehicle failed emissions due to code po 440 . nvld would not acuate in atm tests. replaced nvld pump and purge valve . i believe i may have faulty new nvld pump . when i run forced evap monitor test , system fails with code po440 present . smoke tested system ... |
June 01, 2009 | |
| 2001 Lexus IS300 3.0L MIL Lamp on VIN: JTHBD18204 P0440: EVAP Control System Malfunction. I got this one with a p0440 evap system malfunction.Evap VSV(one connected to intake )had been replaced to fix code.I inspected for hoses off,crack in hoses and other componants-found no faults.I connected smoke machine at service port and looked for smoke.Fou... |
June 01, 2009 | |
| 2001 Pontiac Bonneville SE 3.8L MIL Lamp on VIN: 12WER456YU P0440: EVAP System No Flow During Purge. Hello, all you GM Techs,i have a problem child here. I have a reading of 1.45 volts at the fuel pressure sensor pid. I have smoked vehicle and came up with no leaks,snap-on machine ran test and says it is holding vacuum.i have vacuum at canister all the time a... |
June 29, 2009 | |
| 2001 Pontiac Bonneville SE 3.8L MIL Lamp on VIN: 12WER456YU P0440: EVAP System No Flow During Purge. Hello, all you GM Techs,i have a problem child here. I have a reading of 1.45 volts at the fuel pressure sensor pid. I have smoked vehicle and came up with no leaks,snap-on machine ran test and says it is holding vacuum.i have vacuum at canister all the time a... |
June 30, 2009 |
