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 ...

Oil is the lifeblood of your car’s engine. Staying on top of your oil status may be a car owner’s most important maintenance task. It’s a check that remains relatively simple despite other areas of ...

Got a low-oil warning light? It's bad to have too little oil in your engine, but it's also a problem if you add too much. So be careful not to overfill your engine. Also consult your owner's manual to ...