P0443
PowertrainEvap Systemlow severityEVAP System Purge Control Valve Circuit
What P0443 Means
Malfunction in the EVAP purge control valve electrical circuit.
Symptoms
- Check Engine Light
- EVAP system not purging
Common Causes
- Faulty purge valve solenoid
- Wiring damage
- PCM driver failure
Diagnostic Steps
- Test purge valve solenoid resistance
- Check wiring
- Command purge valve with scan tool
Where to start: Replace purge valve or repair wiring.
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