P0449 Diagnostic Trouble Code Discussion for July 2011
EVAP Vent Solenoid Control Circuit Malfunction
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| Help Request | Posted | |
| 2002 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on VIN: 3GNEK13T42 P0449: EVAP Vent Solenoid Control Circuit Malfunction. hello-had this avalanche come in today. p0449, p0452. removed vent valve from truck and bench tested it with 12v and it seemed to function as intended. apply 12v and ground and it seals shut. checked harness and have 12v feed at valve harness connector. re-ins... |
July 15, 2011 | |
| 2002 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on VIN: 3GNEK13T42 P0449: EVAP Vent Solenoid Control Circuit Malfunction. hello-had this avalanche come in today. p0449, p0452. removed vent valve from truck and bench tested it with 12v and it seemed to function as intended. apply 12v and ground and it seals shut. checked harness and have 12v feed at valve harness connector. re-ins... |
July 18, 2011 | |
| 2006 Chevrolet Avalanche 1500 LS 5.3L MIL Lamp on VIN: 3GNE922566 P0449: EVAP Vent Solenoid Control Circuit Malfunction. This truck came in ses light on had po449. With scanner commanded solenoid on/off, no response. Put test light across solenoid terminals and commanded solenoid on/off with scanner light went on/off with command.test for battery voltage on org. Wire, had batter... |
July 19, 2011 |
