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.

Motor oil has quietly become one of the most important choices car owners make, especially as vehicles routinely cross ...

Dear Car Talk: 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 ...

The color of your car's engine oil can tell you a lot about its overall health, including alerting you to potentially ...

Volkswagen and Chrysler are facing sludge problems in engines in their most popular models sold in the US, as Toyota did in the past two years, according to The Car Connection (TCC) website. Sludge is ...

Dear Tom and Ray: Is it safe to add a few capfuls of denatured alcohol to the crankcase of my two older vehicles to remove oil sludge before I change the oil? -- Lorilee RAY: Is it safe? Well, I don't ...

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 ...