An ignition coil is an essential component of an internal combustion engine’s ignition system. Its purpose is to convert the low voltage from the battery into a high voltage that is required to create an electric spark in the spark plugs. This spark ignites the fuel-air mixture in the engine’s cylinders, resulting in the combustion process that drives the engine.The typical ignition coil consists of two coils of wire wrapped around an iron core. The primary coil is connected to the battery, while the secondary coil is connected to the spark plugs. When current flows through the primary coil, it creates a magnetic field around the iron core. When the current is interrupted, such as by opening the ignition points or through electronic control in modern systems, the collapsing magnetic field induces a high voltage in the secondary coil.The high voltage generated by the ignition coil is necessary to overcome the gap between the spark plug electrodes and create a spark capable of igniting the air-fuel mixture. This spark is timed to occur at the right moment in the engine’s cycle, usually controlled by the engine’s ignition system.In modern vehicles, ignition coils are often integrated with the ignition control module or electronic ignition systems. These systems use sensors and control units to precisely control the timing and intensity of the sparks, improving engine performance and fuel efficiency.If an ignition coil fails or malfunctions, it can lead to engine misfires, rough idling, reduced power, or even prevent the engine from starting. In such cases, the faulty ignition coil may need to be replaced to restore proper engine operation.
SKU:BMI-12-13-8-616-153
Other Names: Direct Ignition Coil, Ignition Coil 121020
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