Ignition coils, supply the high voltage needed, to fire the spark plug.

Furthermore, because of changing technology, there are many types, for different systems. Contrary to what you would think, coils are actually getting smaller. Because, they don’t provide spark, for all the cylinders at the same time.

Ignition Coils - Take Low Battery Voltage, Then Amplify It
Ignition Coils – Take Low Battery Voltage, Then Amplify It

Choose Your Help Topic Below


Ignition Coil, Function, Coil Types, Failure Symptoms, And Testing

Coil On Plug Ignition System (COP) – Function – Failure – Diagnosis

Intermittent Temperature Related Engine Problems, Where To Start

No Spark – When Your Engine Cranks, But Has No Spark

Engine Misfire Causes – Taking The First Steps To Diagnose Them

Distributorless Ignition System – Get to Know the Components


BY DANNY BENDER