Symptom Troubleshooting Chart - Fueling

SYMPTOM TROUBLESHOOTING CHART - FUELING

Problem	Possible Cause	Action
Hissing sound when removing fuel cap	Canister vent solenoid. Evaporative emissions (EVAP) canister. EVAP canister tube. EVAP canister purge outlet tube.	GO to PINPOINT TEST 1: HISS WHEN OPENING FUEL CAP .
Excessive fuel odor	Canister vent solenoid. EVAP canister. EVAP test port. EVAP canister purge outlet tube.	GO to PINPOINT TEST 2: EXCESSIVE FUEL ODOR .
Unable to refuel vehicle	Fuel filler pipe. Canister vent solenoid. Fuel vapor control valve tube assembly.	GO to PINPOINT TEST 3: UNABLE TO REFUEL (ORVR) .