Persistent Fuel Smell in 2019 Honda Civic
A constant gasoline odor indicates a fuel leak or vapor escape, which poses a fire and health risk. Immediate inspection is required.
Diagnosis Details
Possible Causes
Loose or damaged gas cap
Fuel injector leak or O-ring failure
Cracked fuel line or hose
Evaporative emission (EVAP) system leak
Fuel tank leak or corrosion
Related OBD-II Codes
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What You Should Do
Check and tighten the gas cap first.
If smell persists, inspect under hood and undercarriage for visible fuel leaks.
Do not drive if leak is found.
Have a mechanic perform a fuel system pressure test and EVAP smoke test.
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.
