Engine oil turns black from a combination of combustion byproducts, heat oxidation, and detergent additives suspending carbon ...

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.

Should you put fuel additives into your car? As time passes, the fuel system in your vehicle can get a little dirty as carbon deposits build up and other contaminants clog up the area.

Vehicles, like every other mechanical body of work that has ever been put together, require regular maintenance to stay in optimal shape. The magic is in the boring details; Routine procedures like ...