P0447
Evaporative Emission Control System Vent Control Circuit Open
Generic code
Auxiliary Emissions Control
Low severity
Hard repair
Free on OBD DashX
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What P0447 means
- The fault code P0447 indicates an issue with the circuit that controls the Evaporative Emission Control System (EVAP) vent valve. This may cause emissions problems and a decrease in fuel economy.
Possible symptoms
- Illuminated check engine light
- Difficulty filling fuel tank
- Decreased fuel economy
- Gasoline odor from vehicle
Possible causes
- Faulty EVAP vent valve
- Damaged wiring or connections in the circuit
- Corroded or loose electrical connections
- Failed Engine Control Module (ECM)
Related parts
- Evaporative Emission (EVAP) System: The EVAP system prevents petrol vapors from escaping into the atmosphere from the fuel tank and fuel system. Problems in this car's flow valve will lead to fuel loss
Possible solutions
- Replace the EVAP vent valve
- Check and repair any damaged wiring or connections
- Clean and tighten any corroded or loose electrical connections
- Replace the Engine Control Module (ECM) if necessary
Free on OBD DashX
P0447 on OBD DashX
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