P0449 Diagnostic Trouble Code Discussion for September 2016
EVAP Vent Solenoid Control Circuit Malfunction
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| Help Request | Posted | |
| 2008 Chevrolet Suburban 1500 LTZ 5.3L MIL Lamp on VIN: 3GNF121638 P0449: Vent valve performance. Vehicle came in with check engine light on po449 smoke tested found purge valve stuck open and vent valve will not close replaced both of them smoke tested passed .verified computer would turn valves on and off.cleared codes truck came back 3 days later same c... |
September 06, 2016 |
