Fejlkodeindeks · medium
P0440
Evaporative Emission Control System Malfunction (Missing fuel cap, bad vent valve)
Evaporative Emission Control System Malfunction (Missing fuel cap, bad vent valve)
Common causes
- See factory diagnostic procedure / wiring diagram for this code
Quick checks
- Confirm freeze-frame and conditions when the code set
Typical fixes
- Tighten/replace gas cap
- check EVAP lines