OBD-II code guide
P0443 EVAP Purge Control Valve Circuit
P0443 means the electrical circuit for the purge control valve has a fault.
What it means
The computer cannot control or confirm the purge valve circuit properly.
Common symptoms
- Check engine light
- EVAP codes
- Possible fuel smell
- Possible rough idle
- Usually limited drivability change
Likely causes
- Failed purge valve solenoid
- Damaged wiring
- Blown fuse
- Poor connector contact
- Control module issue in rare cases
First checks
- Inspect purge valve connector.
- Check wiring near heat or moving parts.
- Look for related EVAP codes.
- Confirm power and ground before replacing parts.