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.

Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon particles in the fluid. Black oil is not automatically a sign of a problem ...

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 ...

As a critical means of lubricating engine parts and preventing overheating, oil is an indispensable mixture. Since it's so important, some might even wonder if an an oil change improve engine ...

For those who aren't avid automotive enthusiasts, a vehicle's engine probably isn't at the forefront of your mind too often. You slip into the driver's seat, start the car and head to your destination ...

Add Yahoo as a preferred source to see more of our stories on Google. As a critical means of lubricating engine parts and preventing overheating, oil is an indispensable mixture. Since it's so ...