P0443 – Evaporative Emission Control System Purge Control Valve Circuit Malfunction
- System
- Emissions
- Dashboard light
- Check engine light (MIL)
- Check-engine blink code
- —
- Applies to
- Generic OBD-II meaning. Not every code is used by this car.
- Description
- Evaporative Emission Control System Purge Control Valve Circuit Malfunction
- Detection / symptoms
- 1.Check engine light on
- Possible causes
- 1.To cause a P0443, there has to be a problem with the purge control 2.CIRCUIT 3., 4.Not necessarily the valve. Usually they are a unit housing the valve and the 5.Solenoid as an assembly. Or it could be comprised of a separate solenoid with 6.Bad purge solenoid (internal short or open) 7.Wiring harness chafing or rubbing another component causing short or open
- What to check
- 1.Read the code and live data with an OBD-II scanner 2.Look for exhaust or vacuum leaks and check the wiring of the sensor or valve 3.Test the part before replacing it 4.Fix the cause, clear the code and test-drive
- Confidence
- medium (generic OBD-II definition, not checked against the factory manual for this car)
Generic OBD-II meaning (obd-codes.com), not checked against this car's factory manual. Clear the code and test-drive to confirm it returns. Search all fault codes · Common problems · Warning lights