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P0449 Diagnostic Trouble Code Discussion for August 2011

EVAP Vent Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2006 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on VIN: 3GNEK12Z46
P0449: EVAP Vent Solenoid Control Circuit Malfunction. hello all, have this truck with all these 02 codes. cant believe all four heaters went bad at once. does anyone have any ideas. thanks
August 22, 2011
2005 Chevrolet Aveo LT 1.6L MIL Lamp on VIN: KL1TD62645
P0449: EVAP Vent Solenoid Control Circuit Malfunction. This car came in with no start no comm. with ecm. long story short this car was hit by lightning.After replacing thr ecm,sdm,cluster,drl module map sensor the car runs but is setting a low voltage codes. When i check the 5 volt ref to tps and to ftp sensor i o...
August 24, 2011