An ignition coil takes voltage from the battery and multiplies it to create a spark at the spark plugs, which in turn ignites the engine. Cars have been using some form of the coil ignition system for ...

A battery in a traditional car cannot directly create engine spark. It’s only rated at 12 volts, after all, so it needs a little help boosting the signal to the spark plugs. To make that happen, a car ...

What’s the fastest way to a mental breakdown in your garage, and why is it an ignition issue? No doubt, that stress headache comes on strong when your car was running a minute ago, whereas now it’s ...

Horse Sense:There's more to a major tune-up than simply throwing in fresh spark plugs. The entire secondary ignition should be checked and replaced if needed. Using a complete system such as the 5.0 ...

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 ...

"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 ...

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 ...