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P0449 Diagnostic Trouble Code Discussion for September 2011

EVAP Vent Solenoid Control Circuit Malfunction

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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2006 Chevrolet Silverado 1500 LS 4.3L Cuts out VIN: 1GTEC19X76
P0449: EVAP Vent Solenoid Control Circuit Malfunction. Cam retard is showin 1436 Degrees. Knock at 0 degree. Will idle for a few then dies. will start back up. Cap rotor fine. wires fine. Fuel pressure fine. Did cam relearn then cam retard at 0 degree. after a few minutes died and went right 1436 degrees... any id...
September 01, 2011
2007 Chevrolet Suburban 1500 LS 5.3L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1GNFK16377
P0449: EVAP Vent Solenoid Control Circuit Malfunction. Hey guys, So this one is interesting. First off, lots of lights going on in the dash.. Chk engine, Check stabilitrack, Check traction control, Tire pressure light. Performed basic testing for the cyl 1 misfire. Concluded that the intake valve for cyl 1 is not ...
September 29, 2011