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

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 ...

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 ...

Newer engines like as the Coyote, LS, and G3 Hemi have an ignition coil for each cylinder. This modern approach is called "coil near plug" or CNP, and it replaces the distributor with eight small ...

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 ...

Recently, my son-in-law's 2005 Acura 3.2 began to misfire. While changing the spark plugs, the end of the ''coil on plug'' wire for spark plug No. 3 came off, leaving the coil in my hand and the ...