It might seem like a small detail, but the color of your engine oil can speak volumes about what’s going on inside your car.

While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

Consumers saddled with sludge-clogged Toyota engines may soon get some help from the Japanese auto giant under the terms of a class-action lawsuit settlement that covers roughly 3.5 million Toyota and ...

DETROIT - In the latest example of Volkswagen of America Inc.'s quality woes, the automaker is warning 426,000 VW Passat and Audi A4 owners of an engine oil sludge problem. Affected are 1.8-liter ...

Am I negligent? I assume so, since I have not had the oil changed in my 2011 Hyundai Tucson since 2015. I put lots of short trips on this car, and it doesn’t even have 40,000 miles on it yet. Don’t ...