This may sound like something out of the original "CSI: Crime Scene Investigation" TV series, but you can tell a lot about engine health by pulling out the dipstick, reading the oil level, and ...

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 ...

When it comes to car maintenance, it can be easy to overlook oil inspection even when you have the best intentions. At a glance, oil checks might seem minor, but skipping out on this process can end ...

Engine oil color reveals its age, contamination level, and operating condition. Fresh oil is amber or light brown. Oil darkened to black but still translucent after a few thousand miles is normal.

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 ...

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 ...

It's a common misconception that engine oil being dark is a sign that it needs to be changed, but in reality, this is usually more of an indication that the oil is doing what it's supposed to be doing ...