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.

The forefathers of speed could only dream of street cars that were both reliable and capable of 800 hp or more—funny thing is, these days it is commonplace. We can thank technology’s rapid advance ...

Let's face it, many problem areas in custom trucks don't rear their ugly heads until the manufacturer has already built hundreds of thousand of trucks and SUVs. For instance, Ford's Coil on Plug (CoP) ...

When Ford introduced the SEFI 5.0L High Output Mustang in 1986 many predicted the end of the tunable engine. Ironically it was the beginning of a new era of super-tunable small-block Fords that would ...

Q: My 2002 Buick LeSabre has 98,887 miles on it. Its ignition control module is failing. Since 2014 I have replaced it three times. Can you please tell why my control module keeps failing? It stops ...

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 ...