What Are Coil Packs & Ignition Coils?

The ignition coil is a device which is capable of generating a high voltage pulse which goes to the spark plug.

Coil pack refers to the set of coils used in the engine which do not run a distributor. A computer controls the set of coils. Each coil will supply power to the individual spark plug or a set of spark plugs.

Coil & coil pack are made in the say way, both devices are composed of induction coils made of thin copper wire which is rolled hundreds of times inside the coil.The only thing that changes is the way they are arranged and used in the different engine systems.

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