What is the reason for the smell of gasoline in the car?

What is the reason for the smell of gasoline in the car? What is the reason for the smell of gasoline in the car? The reasons for the smell of gasoline in the car are: 1, the gasket in the tank cover is aging or uneven; 2. The oil nozzle and throttle valve have not been cleaned for a long time, resulting in insufficient gasoline combustion; 3. The gasoline filter is dirty or the connecting hose interface is loose and aging; 4. The gasoline purification carbon canister is dirty or invalid; 5. The oil tank connecting hose is aging and loose; 6, the car sealing performance is not good. The solution to the smell of gasoline in the car is: 1, replace the gasket in the tank cover; 2. Clean the nozzle and throttle valve; 3. Replace the gasoline filter or connecting hose; 4. Replace the gasoline purification carbon canister; 5. Replace the oil tank connecting hose; 6. Repair the automobile sealing performance. @20 19