The smell of rotten eggs comes from the catalytic converter, part of your car’s emissions control system. The odor can be due to an engine problem or it can be a sign your car’s catalytic converter is malfunctioning.
The smell of rotten eggs comes from the catalytic converter, part of your car’s emissions control system. The odor can be due to an engine problem or it can be a sign your car’s catalytic converter is malfunctioning.