Why is there a gasoline smell when the car's heater is on?

1 Answers
SophieAnn
07/29/25 8:35pm
The reasons for a gasoline smell when the car's heater is on are: 1. Damaged carbon canister; 2. Overfilled gasoline in the fuel tank; 3. Damaged fuel pipe joints, injector seals, and carbon canister solenoid valve. Solutions for the gasoline smell when the car's heater is on: 1. Replace the gasket inside the fuel tank cap; 2. Replace the gasoline rubber hose; 3. Clean the fuel pump, fuel filter, carbon canister, fuel injector, and throttle body; 4. Pay attention to the amount of fuel added to avoid overfilling; 5. Place deodorizers inside the car cabin; 6. Visit a repair shop to check if the fuel pump is installed correctly and whether further cleaning around it is needed; 7. Use the air conditioner in recirculation mode and open the sunroof to ventilate.
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