P0449 Diagnostic Trouble Code Discussion for September 2017
EVAP Vent Solenoid Control Circuit Malfunction
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| Help Request | Posted | |
| 2008 Chevrolet Avalanche LS 5.3L MIL Lamp on VIN: 3GNFK12368 P0449: evap vent valve control circuit. The p0449 has returned again. I will have to repeat the same, verify continuity and if the solenoid energizes and cycles. It would power a 921 bulb when working. The last time it would not ground so I ran new wire but did not work until I cleared the code, the... |
September 20, 2017 | |
| 2008 Chevrolet Avalanche LS 5.3L MIL Lamp on VIN: 3GNFK12368 P0449: evap vent valve control circuit. The p0449 has returned again. I will have to repeat the same, verify continuity and if the solenoid energizes and cycles. It would power a 921 bulb when working. The last time it would not ground so I ran new wire but did not work until I cleared the code, the... |
September 22, 2017 |
