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, ...

The ignition coils in your car provide the high voltage electrical current that allows your spark plug to create its spark. These parts are humble looking, and they make use of relatively simple ...

An ignition coil is a vital component of a vehicle's ignition system. It is responsible for converting the low voltage from the battery into the high voltage needed to produce sparks at the spark ...

If you're a follower of the "How It Works" series, you've been learning the principles of what makes a car run. You've boned up on the four-stroke cycle, valvetrains, cooling, lubrication, and ...

Yeah, it might be a nerdy gearhead thing, but as enthusiasts we want a lot of information about what our cars are doing. Unfortunately, the manufacturers don't quite see it our way, so cars are ...

"It's not a heap, dad. It's a classic." That's harder to justify when your classic muscle car won't start. Nothing like a high-compression V8 combined with a battery that hasn't seen a charge for a ...

Picture a reclusive man, dripping sweat all night in a dark lab, illuminated only by crackling sparks that leap from enormous machines and cast a purple glow across his face. This is Nikola Tesla, the ...

It's easy to understand why you'd purchase a new ignition system when the one on your truck isn't working correctly-after all, that's what fires the engine! The reasons for replacing an ignition ...

Mazda’s new SkyActiv-X engine will go against every convention you thought you understood about gasoline engines. It’s supercharged, but for efficiency purposes, not to increase power. It has a ...