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, ...

Ignition coils last far longer than spark plugs and only need replacement when symptoms appear. Here’s how to tell if coils ...

Spark plugs play a key role in keeping your engine running, since it's that little jolt of electricity that ignites the fuel/air mixture in a motor's cylinders. And that little spark has to be ...