If engine has fuel pump mounted on the engine then it is leaking gas into crankcase.
You have to check the fuel pump and the carburetor. (mainly gaskets)
Usually gas smels like rotten eggs when the gas is too rich with additivies.
sulfur allyl sulfate smells like onion.
You may be running rich. You may also have a gas leak. Check your fuel line fittings for leaks.
make be there is a gas leak
Excessive fuel (way rich) or no spark. Check for spark first.
why you get lightheaded when i pass gas? simply because it smells like a$$!
because you spilled gas in it
It smells terrible it smells like old gas from the car when people smoke their teeth get ruined
Fuel pump
hydrogen sulfide.
If you have a motor other than the car such as a lawn mower in the trunk it smells. Also if you just got gas it smells.