Engine oil is crucial to keep your car running smoothly, and while your engine isn't supposed to consume oil like it uses up fuel, you still tend to lose some of it as you use your vehicle daily. So, ...

CARS.COM — We’ll pull no punches in saying it: Engine oil is a crucial thing to keep tabs on from a maintenance perspective. That means you should check your vehicle’s engine oil at least once a month ...

Your engine oil is as essential to your car as your blood is to your body. Without it, your motor won’t run. And just like a doctor can tell a lot about your health by testing your blood, you can ...

Since the invention of the automobile, drivers have sought ways to make their cars more efficient and reliable. Today's cars are the best they've ever been, but they're still not the maintenance-free ...

Internal combustion engines need the correct oil level to run harmoniously. Too much or too little oil could harm engine longevity and performance. For instance, continuously driving with an engine ...

At a time when vehicle diagnostics can demand a computer science degree, being able to get some insight into your engine health with nothing but a rag and a bit of know-how can be downright refreshing ...

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 ...

Engine oil performs several vital functions: it keeps everything lubricated and running smoothly while also preventing corrosion inside the engine block, keeps things somewhat clean, and even helps ...

Synthetic oil used to be something only performance cars needed, but not anymore. Now it’s the manufacturer-recommended engine lubricant in many mainstream vehicles, such as the Subaru Forester and ...

Motor oil is an essential element of the engine. It plays a major part in lubricating the moving parts and helps reduce deposit build-up, prolonging the service life along the way. If you don't change ...