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P0449 Diagnostic Trouble Code Discussion for October 2006

EVAP Vent Solenoid Control Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0449
Help Request Posted
2002 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNFK13Z92
P0449: EVAP Vent Solenoid Control Circuit Malfunction. truck was brought in for service engine soon light on, scan for codes and got po449. ck powers and grounds to vent valve. had power but no ground from pcm. repaired wiring and checked vent valve for clicking when commanded from scanner. all is fine so i cleare...
October 25, 2006
2002 Chevrolet Tahoe LS 5.3L MIL Lamp on VIN: 1GNFK13Z92
P0449: EVAP Vent Solenoid Control Circuit Malfunction. truck was brought in for service engine soon light on, scan for codes and got po449. ck powers and grounds to vent valve. had power but no ground from pcm. repaired wiring and checked vent valve for clicking when commanded from scanner. all is fine so i cleare...
October 25, 2006