Just like spark plugs, ignition coils can wear down and become faulty over time. There are many common signs that an ignition coil is getting bad, but one obvious sign is an engine misfire, typically ...

Cylinder misfires can turn a smooth commute into a rough, fuel‑wasting slog, and they almost always leave a trail of ...

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, ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. With both new-car prices and fuel costs on the rise, today’s motorists are ...