What Causes the Smell of Gasoline in a Car?

[VanJune]

The reasons for the smell of gasoline in a car are: 1. Failure of the carbon canister; 2. Aging or uneven gasket inside the fuel tank cap; 3. Dirt accumulation on the fuel injector and throttle body due to long-term lack of cleaning, leading to incomplete combustion of gasoline; 4. Dirty fuel filter or loose and aged connecting hose interfaces; 5. Aging and loosening of the fuel tank connecting hose; 6. Poor sealing performance of the car. The solutions to eliminate the smell of gasoline in a car are: 1. Replace aged rubber hoses; 2. Tighten and repair interfaces, replace sealing gaskets; 3. Visit a repair shop to check if the fuel pump is installed correctly and whether further cleaning is needed around it; 4. Use the air conditioning in recirculation mode and open the sunroof for ventilation; 5. Clean the fuel injector and throttle body promptly.