What Causes the Smell of Gasoline While Driving?

[McAlivia]

Both overfilling the gas tank and fuel pump leakage can cause the smell of gasoline while driving. Reasons for smelling gasoline while driving: Overfilling the gas tank; Fuel pump leakage; Aging of gasoline rubber hoses; Incomplete combustion of gasoline during cold starts; Residuals not cleaned when replacing the fuel pump; Aging or uneven gasket inside the fuel tank cap; Dirty fuel injectors and throttle body; Dirty fuel filter; Dirty gasoline vapor canister. Solutions: Pay attention to the amount of fuel added to avoid overfilling; Replace gasoline rubber hoses; Clean the fuel pump, fuel filter, vapor canister, fuel injectors, and throttle body; Replace the gasket inside the fuel tank cap; Place some deodorizers in the car cabin, etc.