Why Does My Car Smell Strongly of Gasoline When Starting?

[VanSkylar]

The reasons for a strong gasoline smell when starting a car are: 1. Insufficient air intake through the throttle body, leading to incorrect air flow information; 2. Excessive carbon buildup in the cylinder combustion chamber and pistons, resulting in insufficient cylinder pressure; 3. Too much carbon deposits inside the engine, causing poor atomization of the air-fuel mixture; 4. Gasoline pipe leakage, forming sludge at pipe connections, with the odor entering the cabin through the air conditioning system. Solutions for addressing a strong gasoline smell when starting the car include: 1. Replace the rubber hoses of the gasoline vapor canister; 2. Tighten or repair gasoline pipe connections; 3. Repair or reinstall the fuel pump; 4. Avoid overfilling the fuel tank.