Possible Causes
- Purge solenoid valve malfunction.
- Canister Drain Cut Valve (CDCV) malfunction.
- Fuel pressure control valve malfunction.
- Loose or defective fuel filler cap.
- Charcoal canister malfunction.
- Catch tank malfunction.
- Rollover valve malfunction.
- Cracked fuel tank.
- Poorly installed fuel tank components.
- EVAP hoses damaged or loose.