P0443
Evaporative Emission Control System Purge Control Valve Circuit Malfunction
Generic code
Auxiliary Emissions Control
Low severity
Hard repair
Free on OBD DashX
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What P0443 means
- The fault code P0443 indicates that there is an issue with the circuit that controls the purge control valve in the vehicle's evaporative emission control system. This may cause issues with emissions and can trigger the check engine light.
Possible symptoms
- Illuminated check engine light
- Failed emissions test
- Fuel odor from the vehicle
- Rough idle or stalling
- Difficulty starting the vehicle
Possible causes
- Faulty or failed purge control valve
- Damaged or corroded wiring or connections in the circuit
- Failed engine control module (ECM)
- Clogged or damaged charcoal canister
- Broken vacuum lines
- Failed fuel tank pressure sensor
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 purge control valve
- Check and repair any damaged or corroded wiring or connections in the circuit
- Replace the engine control module (ECM) if necessary
- Replace the charcoal canister if clogged or damaged
- Repair or replace any broken vacuum lines
- Replace the fuel tank pressure sensor if failed
Free on OBD DashX
P0443 on OBD DashX
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