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.

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 ...

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

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

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 ...

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 ...

Toyota Motor Sales (TMS) has announced a new so-called “customer satisfaction programme” that extends to 2002 models and eight years the coverage of a “Special Policy Adjustment” (SPA) announced in ...

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 ...