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Automotive ignition refers to the system in a vehicle that generates the spark needed to ignite the fuel-air mixture in the engine's combustion chambers. This process is essential for the engine to start and run smoothly. The ignition system typically includes components such as spark plugs, ignition coils, distributor (or coil packs), ignition switch, and ignition control module. The system works by sending an electrical current to the spark plugs at the precise moment to create a spark, which ignites the fuel and initiates the combustion process. A properly functioning ignition system is crucial for the overall performance and efficiency of a vehicle.