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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The oil inside your car's engine can sludge up with neglect and infrequent oil changes. Sludge is a nasty contaminant that can ...

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 ...

Oil in a car that is not driven should be changed at least every 6 to 12 months. While unused motor oil can last for years in a container, oil inside an engine degrades faster due to oxidation and ...

If you own a diesel car, you'd probably know that getting its oil changed isn't as quick or affordable as getting the oil changed on your friend's gasoline car or the one you've owned before. It is a ...