Spark plugs sit at the center of every gasoline engine’s heartbeat, turning fuel and air into the controlled explosions that move your car. When they work properly, you feel smooth power, quick starts ...

The many spark plug types are typically named after precious metals used in their center electrode, ground electrode, or both. Copper plugs are the most affordable and the most basic while iridium ...

The rate at which a spark plug wears out will vary depending on the make and model of the vehicle, the type of engine, driving conditions, and spark plug type. Engines with copper spark plugs ...

If you ever want to start a heated group discussion in a group of auto gear-head DIYers, simply ask what’s the best spark plug to use? As many opinions and reasons will start flying, as if you asked ...

The engine of a car heavily depends on spark plugs, given their role in igniting the mixture of air and fuel in the combustion chamber. A top-notch spark plug ensures that your engine runs smoothly ...

We may receive a commission on purchases made from links. When it comes to engine care 101, a spark plug replacement — also referred to as a tune-up — is an essential task. Spark plugs, as the name ...

A gas engine needs fuel, air, and spark to get its internals chugging along. Take any of these out of the equation and the engine will have a fit. While the automotive industry shifts toward fully ...

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 ...

We may receive a commission on purchases made from links. Most manufacturers suggest spark plugs (and wires, if you're being thorough) be replaced between 30,000 and 100,000 miles depending on the ...