Code 4643

Asked by Anthony Apr 12, 2016 at 07:12 PM about the 2005 Chevrolet Suburban 1500 Z71 4WD

Question type: Maintenance & Repair

Code po449

1 Answer
223,905

Rowefast answered 8 years ago

P0449 CHEVROLET - Evaporative Emission Vent Valve Solenoid Malfunction... Possible causes - Vacuum leaks, damaged hoses or improper routing - EVAP system - Check fuel cap, canister, valves or components - Faulty purge or vent solenoids - Check connector and wiring - Fuel saturated vapor canister - Failed EVAP vent solenoid

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