Old Car Makes Garage Smell Like Gas. Another vital reason that can cause a car smell like gas but no leak is a bad fuel pressure. The number one cause of a fuel smell from your vehicle is (you guessed it) a loose or faulty gas cap.
Besides, if the gas leaks onto your car’s hot engine, fire can occur. If you park one or more vehicles in the garage, the gasoline smell could be coming from one of them. The man door, where the odor is most profound, is not close to where gas is stored.
Without further ado, let’s check out the top 10 reasons why your car smells like gas.
The number one cause of a fuel smell from your vehicle is (you guessed it) a loose or faulty gas cap. To address the issue, start by ensuring the cap is intact. Your fuel system might also be emitting a smell if there is a leak or other problem that needs to be resolved. The man door, where the odor is most profound, is not close to where gas is stored.