CODE PO441 - EVAP SYSTEM NO FLOW DURING PURGE CONDITIONS. POSSIBLE CAUSES, CHARCOAL CANISTER IS LOADED WITH FUEL OR MOISTURE, EVAP SWITCH IS DAMAGED DISCONNECTED OR IT FAILED, FUEL FILLER CAP IS LOOSE, FUEL TANK VAPOR LINES IS CLOGGED DAMAGED OR DISCONNECTED, PURGE VALVE VAPOR LINE IS CLOGGED DAMAGED OR DISCONNECTED, PURGE SOLENOID IS DAMAGED OR STICKING IT MAY BE STUCK CLOSED, PURGE SOLENOID POWER CIRCUIT IS OPEN CHECK THE FUSE,PCM HAS FAILED.
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