There are a few oils and liquids that are used to keep the car running properly. Believe it or not, when things start to go bad, you may be even able to smell some issue. For example, a scent similar to rotting eggs is an example of an issue with your catalytic converter. No problem for our amazing team at Preowned Motors Cars! Bring your car in for an inspection, and we can get all your vehicle needs to be resolved as quickly as possible!