This spark plug tester features an innovative dual-socket design, allowing you to test two spark plugs simultaneously. By taking this approach, you can effectively compare the spark intensity of two ...

Ignition coils sit at the center of every gasoline engine’s spark, yet they usually stay invisible until something goes wrong. When a coil starts to fail, the symptoms can look like fuel problems, ...

Spark plugs are integral components for gas-powered internal combustion engines. These diminutive devices create the electric spark that ignites the fuel and air mixture inside your motor. When ...

The spark plugs in a gasoline engine are not universal, one-size-fits-all components. Plugs are made of a variety of materials with different electrode setups and thread configurations, and knowing ...

Most drivers know that you should change your spark plugs routinely to keep your car's engine running smoothly. However, when it comes to gapping spark plugs, many people may find themselves confused.

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 ...