Diagnosing car problems by odor

Rotten egg smell

A rotten egg smell indicates a problem with with your catalytic converter, which converts toxic gases into less-toxic pollutants.

Sweet syrupy smell

If your car is emitting a sweet syrupy smell, this could mean that the engine coolant is leaking from your car's coolant system.

A burning carpet smell

If you encounter a smell like this, your car brakes might be in trouble.

Burning oil smell

Generally, if your car encounters a burning oil smell, your car might have an oil leak. Beware!

Gasoline smell

If you smell gasoline, it could be a sign of a gas leak or some other fire hazard.