Why is there a smell of gasoline inside the car?

1 Answers
VanGabriela
07/29/25 11:52pm
The reason for the smell of gasoline inside the car may be due to aging components. Explanation of the reasons: When rubber hoses age, gasoline may leak into the engine compartment, and the air conditioning system can carry the smell into the car. Gasoline pipe interface leakage: Gasoline pipe leaks usually occur at the interfaces between pipes. You can visually inspect by opening the engine compartment cover. If there is a leak at the interface, dust will accumulate on the surface over time, forming oily sludge. After disassembling the fuel pump: The work of disassembling the fuel pump needs to be done inside the car, and some spillage is inevitable during this process. However, the replacement cycle of the fuel pump is generally around 100,000 kilometers, so this situation is not common. Overfilling the gasoline tank: Although the fuel filler neck is not leaking, gasoline can flow into the carbon canister through the pipes. When the carbon canister releases vapor, it may also release gasoline. If the air conditioning is in the external circulation mode at this time, the smell of gasoline may be noticeable inside the car. Solutions: Set the air conditioning to internal circulation mode. After driving for a while, the gasoline will naturally be consumed, and the smell will gradually disappear.
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