Possible causes:
- Incorrect fuel cap
- Loose or missing fuel cap
- Faulty EVAP canister purge valve
- Faulty EVAP canister vent valve
- Rusted or damaged fuel lines
- Faulty fuel tank pressure sensor
Possible Solutions:
* Check and tighten the fuel cap.
* Replace the fuel cap.
* Replace the EVAP canister purge valve.
* Replace the EVAP canister vent value.
* Inspect and repair any rusted or damaged fuel lines.
* Replace the faulty fuel tank pressure sensor.
