A spark plug is a device that delivers electric current from the ignition to the combustion chamber of an engine to ignite the compressed mixture of air and fuel. All motorcycles, including those from ...

Not all spark plugs are created equal, and knowing which one your car needs can vastly improve your car's fuel economy.

Your engine’s spark plugs are one of its smallest and most important, parts. We look at some of the best. The engine in your car, truck, or crossover operates on the simple principle of capturing the ...

There are plenty of affordable ways to boost your car's performance. Some people prefer installing performance exhausts and remapping the engine, while others lean more towards cold air intakes or ...

The engine in your car, truck, or crossover operates on the simple principle of capturing the energy from countless tiny explosions created when a mixture of gasoline and air is ignited inside of its ...

We earn commissions from purchases you make using links in our articles. Learn more. You’re likely aware that in order to keep your vehicle running in great shape, you’ll need to replace the spark ...

Spark plugs are essential for gas-powered engines. However, they're not all created equal. Here's what can happen if you use the wrong spark plugs in your car.

For hot rodders, spark plugs are often nothing more than inspection tools that reveal whether an engine is running too rich, too lean, or just right. Street guys look for a nice tannish-brown tint on ...

If there is a component on a Pontiac engine that gets little or no thought, it's the spark plug. We refuse to spend much money or time on them, but unless your Pontiac is powered by a GM diesel, the ...