Engine Error
P0443
Evaporative Emission System Purge Control Valve Circuit
Severity
Medium
Symptoms
Check engine light, rough idle, poor fuel economy
Common Causes
- Defective EVAP purge solenoid
- Open or shorted purge valve wiring
- Corroded electrical connector
- Failed PCM
How to Fix
- 1 Test and replace purge control valve
- 2 Trace and repair damaged wiring
- 3 Clean connector pins
- 4 Check PCM outputs
Estimated Repair Cost
USD
$80
–
$250
Purge valve: $80 - $200