What Causes a Strong Gasoline Smell Inside the Car?

1 Answers
StBrody
07/24/25 5:09pm
There are several reasons for a strong gasoline smell inside the car: 1. Aging of the carbon canister rubber hoses. In cars with high mileage, rubber components in the engine compartment are prone to aging. 2. Gasoline pipe leakage. If there is a leak in the gasoline pipe, the smell of gasoline may enter the car through the air conditioning system. 3. Residual gasoline during fuel pump disassembly. The disassembly and installation of the fuel pump must be done inside the car, and some residual gasoline may remain. If not cleaned properly, the smell of gasoline can be noticed during driving. 4. Overfilling the fuel tank. If the fuel tank is overfilled, gasoline may flow into the carbon canister through the pipes. The carbon canister, which is designed to collect gasoline vapors, will release excess gasoline vapors through the vent holes when filled with liquid gasoline. When the air conditioning is in the external circulation mode, the gasoline smell can enter the car.
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