...Chevy Avalanche... Getting codes P0455 and P0449. From what I read, it is probably the evap vent valve. Does anyone know where I can order one without paying dealership cost? The vent solenoid valve ...
...Chevy Avalanche failed the emission test with the code of P0455 what is the problem? It is probably the evap vent valve. A new vent solenoid valve has been redesigned to correct the problem you are ...
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