Gasoline Smell While Driving or After Refueling
A persistent gasoline odor inside or around the vehicle while driving or after refueling indicates a fuel leak or vapor escape. This poses a fire and health hazard and requires immediate attention.
Diagnosis Details
Possible Causes
Loose or damaged gas cap
Fuel injector leak or fuel line leak
Evaporative emission (EVAP) system fault (e.g., purge valve stuck open, cracked charcoal canister)
Overfilled fuel tank (saturating the EVAP canister)
Related OBD-II Codes
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What You Should Do
Check and tighten the gas cap first.
If the smell persists, inspect under the hood and under the vehicle for visible fuel leaks (drips, wet spots).
Do not drive if you see active leaking.
Have a professional mechanic perform a fuel system and EVAP system inspection, including a smoke test for vapor leaks.
Related Repairs
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Disclaimer: This AI-generated diagnosis is for informational reference only. Always consult a qualified mechanic for an in-person inspection. AutOwner is not responsible for decisions made based on this information.
