Question about 2005 Chevrolet Impala
CODE PO455 IS EVAP SYSTEM LARGE LEAK DETECTED.POSSIBLE CAUSES * IS FUEL FILTER CAP IS VERY LOOSE *.FUEL TANK FUEL FILLER NECK OR SENDING UNIT ORING IS LEAKING *.FUEL TANK PRESSURE SENSOR IS DAMAGED DISCONNECTED OR IT FAILED *.FUEL TANK VAPOR LINES IS CLOGGED DAMAGED OR DISCONNECTED *.PURGE VALVE VAPOR LINE IS CLOGGED DAMAGED OR DISCONNECTED *.PURGE VALVE IS NOT OPENING IT MAY BE DAMAGED OR STICKING * VENT SOLENOID IS NOT CLOSING.IT MAY BE BE DAMAGED OR STICKING *.OR PCM HAS FAILED.
Posted on Oct 04, 2009
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Posted on Jan 02, 2017
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