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 ...

Forbes contributors publish independent expert analyses and insights. Jim Gorzelany is a veteran automotive journalist. You’ll usually know when it’s time to take your car, truck or sport-utility ...

That ignition coil failure problem initially thought to affect only Volkswagen and Audi 1.8-liter turbocharged engines in 2001 and 2002 models is appearing on some 2002 3.0-liter models, though not at ...

We’re obviously not talking about a jammed semi-automatic or dud ammo, but an engine misfire is fundamentally the same thing. A cylinder supposedly filled with compressed air and fuel—akin to ...

Engine cylinders can misfire for many reasons. There are four causes in particular that you should be aware of; here's what you can do about them.