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 ...

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 ...

Think of motor oil as the life’s blood of your car’s engine. Checking it on a regular basis is a key part of keeping your engine running well and getting the most miles out of it. The oil lubricates ...

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 ...

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 ...

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 ...