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 ...

Coil packs play a pivotal role in your vehicle's ignition system, but what exactly are they, and how do they work? Here's what you need to know.

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 ...

It's easy to forget about maintenance intervals, even for car people like us. Believe it or not, non-moving parts do wear. Maybe not as fast as moving parts (serpentine belts, brake rotors, and so on) ...

Okada Projects of Japan recently introduced an innovative, highly effective and easy-to-install ignition Plasma Direct system, replacing the factory coils while promising to increase both horsepower ...

Hot rodding has always been and will always be a cannibalistic hobby. We steal from the rich new technology of current-year cars and adapt those parts to our poor and outdated hot rods. It's a ...

"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 ...

Drivers who are required to pass a breath test before they get behind the wheel won't get away with having someone else blow in the ignition interlock device. Starting with the new year the devices ...