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, ...

In this video, learn to test spark plugs and ignition coils for a BMW using a specialized test kit. Discover how to identify a faulty spark plug, ignition coil, or wiring without a multimeter. Man's ...

Hinckley Triumph motorcycle owners have been complaining about ignition coil failures since, well, probably since the first Bloor Triumph sputtered off the assembly line. This is Part 1 of this ...

Hinckley Triumph motorcycle owners have been complaining about ignition coil failures. In Triumph Ignition Coil Replacement Part 1 of this two-part series, we described a coil replacement on a Triumph ...

We may receive a commission on purchases made from links. Is your car misfiring, having trouble starting, or idling rough? Are you wondering if the problem is one of your coil packs? If you're like ...

One of the main differences in regular maintenance between a gasoline and a diesel-powered car is replacing the spark plugs. While diesel engines rely on compression to create ignition, and thus ...

High performance is all about horsepower. But even the ultimate in heads, compression, cam, and the rest won’t make power if you can’t light the fire. Ignition systems don’t make horsepower, but a ...