Most likely your exhaust is rattling and the smell is because your catalytic converter is bad
The car exhaust smells like the rotten eggs as a result of the hydrogen sulphide. This usually happens, when the engine is not serviced for a long time.
Rotten eggs. in fact, the hydrogen sulfide is what gives rotten eggs their distinctive stench.
Sulfur is a yellow element that smells of rotten eggs.
smells like rotten eggs!
It smells like rotten eggs.
the answer is sulphur. it smells like rotten eggs
H2S or hydrogen sulphide