For a dual-purpose car, engine oil needs to be at least 220 degrees F to burn off all the deposits and accumulated water vapor. For every pound of fuel burned in an engine, the combustion process also ...

Think of motor oil as the life’s blood of your car’s engine. Checking it on a regular basis is a key part of keeping your engine running well and getting the most miles out of it. The oil lubricates ...

Most of us aren't watching our oil pressure like we do our social feeds -- but maybe we should. Oil is your engine's lifeblood, and oil pressure is like blood pressure. If it drops too low or spikes ...

Engineers design modern engines to run in a narrow temperature window where power, efficiency, and emissions all line up. The ...

The oil in your vehicle’s engine is pretty incredible. Its job is to protect every square inch inside your engine where there is metal-to-metal contact – your piston rings, cylinder walls, valves, ...

Cars under warranty shouldn't burn oil. And most don't. But Consumer Reports' 2014 Annual Auto Survey found that several auto manufacturers are building engines—available in a number of widely sold ...