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 ...

Yours truly has a neutral opinion regarding engine flushes: I believe engine flushes are only necessary when the engine has sludge buildup. Sludge is a dark and thick substance from contaminated oil, ...

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 ...

I bought a cheap 2013 Dodge Dart sxt to rent out on Turo. When I bought it I was told the maintenance was always kept up with ...

Besides preventing the build-up of nasty engine sludge and premature wear, protection against cold starts is one of the main reasons why you should never skip an oil change in your gasoline or diesel ...

Q:I have a 1999 Jaguar XJ8 (purchased new), now with 45,000 miles on it and covered by the best extended warranty that could be purchased when the original factory warranty expired. All maintenance ...

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 ...

Constantly low on oil, getting bad fumes, or is your engine not as peppy as it once was? Your car's engine may be experiencing the dreaded blow-by. The internal combustion engine is a ...