“Choose Your Help Topic Below”
- Ignition Coil: Function, Coil Types, Failure Symptoms, and Testing
- Coil On Plug Ignition System: A Game Changer in Coil Technology
- 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
The primary function is to act as a transformer, converting your car’s low battery voltage (about \(12\) volts) into the extremely high voltage (up to \(40,000\) volts or more) needed to create a spark at the spark plugs.
This high-voltage spark ignites the air-fuel mixture in the engine’s cylinders, which is essential for the engine to run.
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