Most people are familiar with the importance of oil for the internal combustion engines that power our modern vehicles. The petroleum-based fluid is designed to provide lubrication to the vast amount ...

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 ...

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 ...

Saab Automobile AB is joining the ranks of automakers that provide extended warranties on engines prone to oil sludge buildup and possible failure. In the United States, letters announcing the ...

If you've ever removed your oil cap during a routine check or oil change and noticed a creamy white or yellowish, almost mayonnaise-like substance underneath it, you're not alone. You'd be well within ...

For people buying a used car, there is a very important but rarely checked factor to consider that goes beyond kicking the tires: original sin. Some best-selling models appear to have an increased ...

Toyota Motor Corp., plagued for years by claims that engines in some of its most popular vehicles were subject to damaging oil sludge buildup, has settled a class-action lawsuit over the issue. The ...