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The Aftermarket Ignition Coil: A Critical Component for Engine Health

The ignition coil is a crucial component in a vehicle's ignition system, acting as a high-voltage transformer. It converts the battery's low voltage (12V) into the thousands of volts needed to create a spark at the spark plug, igniting the air-fuel mixture in the engine. A failing coil can cause misfires, reduced power, poor fuel economy, and increased emissions.