Analyzing the oil in your vehicle is like sending your blood to the lab for tests. An engine oil analysis can provide clues about the health of your engine – without any invasive surgery. By analyzing ...

An internet user says he has a surefire method for determining whether a used car burns oil. Here's what to try before you buy.

The friction-fighting properties of synthetic lubricants have been well established by now. Second only to making sure you change your oil at regular intervals is the need for a high-quality synthetic ...

Even as cars become increasingly sophisticated, motor oil remains the engine’s lifeblood, and caring for this fluid is vital. Fortunately, this is a rather simple task—and your car’s onboard computer ...