Common Problems

A rotten egg smell in a car usually points to sulfur compounds coming from the exhaust system or an overheating 12-volt battery. The most common automotive causes include an overloaded catalytic converter, an engine running too rich, ignition misfires, a failing battery, or an odor entering the cabin from outside. The location and timing of … Read more

A failing catalytic converter does not always stop a vehicle from running. In many cases, the first warning is simply a check engine light. As the problem gets worse, you may notice weak acceleration, reduced fuel economy, unusual exhaust odors, rattling noises, or excessive heat beneath the vehicle. Recognizing bad catalytic converter symptoms early can … Read more