Monthly Archives: November 2022

Why Does My Car Smell Like Rotten Eggs?

Why Does My Car Smell Like Rotten Eggs?

No one wants a lingering odor in their vehicle, especially if it is as potent as the foul smells of rotten eggs. Unless you forgot about your groceries in the car, the issue isn’t rotten eggs themselves. The smell is most likely sulfur coming from the fuel or exhaust system. When your vehicle cannot “digest” its fuel, it can leave a lingering odor from unburned gas.  If this foul smell persists, it should be thoroughly investigated and diagnosed by a professional mechanic. Here are the top 3 common explanations for why your vehicle smells like sulfur: Broken Catalytic Converter - The most common culprit for this smell is a bad catalytic converter, a component that makes up a chunk of your exhaust or emissions system. The “cat” is supposed to transform the hydrogen sulfide in your gas into odorless sulfur dioxide. If certain gasses aren’t being properly handled, you should always turn to the catalytic converter for clues. Failing Fuel Regulat ... read more