While fresh oil is generally transparent and amber colored, black oil may mean it's time for a replacement and frothy oil can ...

How well does vegetable oil work as a motor oil substitute? The difference in viscosity between these two oils reveals why ...

Drivers tend to assume that if the oil was changed “recently,” the engine is safe, but the real story is what happened during ...

Want to take the best possible care of your vehicle? Learn all about oil filters and when and why your car needs an oil ...

API PC-12 engine oil categories CL-4 and FB-4 are advancing toward a 2027 launch. Here’s what the changes mean for fleets, ...

Quick-lube oil changes use $3 filters without anti-drainback valves, causing dry starts that grind metal and destroy engines ...

A vehicle's lifespan depends on a multitude of factors. Taking care of the engine, fuel tank, battery and more will help it ...

Your engine’s oil pressure is one of those things that needs to be just right. If it’s too high or too low, it can be indicative of other problems. This is especially true with high oil pressure, as ...

The API is aiming for a 2027 rollout of the new engine oil spec, which is meant to enhance performance standards.

Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...