How Does an Engine Work? Before digging into this significant expense, it’s important to outline how an engine works. The engine is the heart of the car, truck, or SUV. The vehicle’s full function is ...

Last month's "How It Works" story gave you the basics of the four-stroke cycle, describing the motion of the intake and exhaust valves in relation to the piston moving up and down in the cylinder.

When we turn the key, what happens under the hood and why? How does an automobile engine work? What is that sound we hear and the propulsion we feel when the accelerator is depressed? We know gasoline ...

Rotary engines (also known as Wankel engines and Wankel rotary engines) are quite different from piston or "reciprocating" engines. One of the distinguishing features is that they don't need valves to ...

At the heart of an internal combustion engine lies a series of cylinders, cylindrical chambers that house the fiery combustion process. These cylinders, arranged in various configurations such as ...

Intakes are vital automobile components that work to bring oxygen – a key ingredient in an internal combustion reaction – into the engine’s combustion chamber to modulate how much oxygen mixes with ...

Car enthusiasts often refer to two types of engine degreasers, which often come neatly packaged in aerosol cans, pump spray bottles, or degreasing wipes. Solvent-based engine degreasers contain ...

Have you ever wondered why you need to add oil to your chainsaw’s fuel supply? Or why some dirt bikes have a higher pitched exhaust note than others? We’ve all been burdened with yard work or been ...

Among diesel technicians, a few engines have earned a reputation for turning routine jobs into all-day battles, with cramped packaging, fragile components and baffling design choices that punish ...