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.

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 ...

View post: The Crown Vic Everyone Forgot—Before It Became a Ford Icon Checking your engine oil level is a quick, easy task that’s a crucial part of car maintenance. Keeping the right amount of oil in ...

There was a time, not so long ago, when car owners were expected to carry out basic maintenance and regular servicing on their car using a handful of wrenches and common automotive tools. Nowadays, ...

The life of the car depends heavily on its maintenance. If you take your car regularly to the service station, follows recommendations of the manufacturer, and pay special attention to the engine, you ...

I have lately been receiving the “engine oil level” warning message. After checking for leaks around the engine or even at the tailpipes, I cannot find any signs of oil. Where is the oil disappearing ...

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

This paper presents analytical lubricant technology for determining the condition of 2 and 4 cycle automotive and railroad diesel engines through used oil analysis. The paper supplements ASME paper 64 ...