Name: Ignition Coil 90919-A2004 90919-A2002 UF487 90919-02255 for TOYOYA
Brand: KEZHONG
Rating: 4.9 (103 reviews)

Does the ignition coil belong to the engine？

The ignition coil is part of the engine.
Ignition coil is a key component in the engine ignition system, its main function is to convert the low voltage power supply into high voltage electricity, usually 12V low voltage electricity into 15~20kV high voltage electricity, and then through the spark plug to produce high voltage spark, ignite the combustible mixture in the engine, thus starting the engine work. The ignition coil is located on the engine in the engine compartment, and unlike the diesel engine that relies on pressure combustion, the fuel in the gasoline engine is burned by ignition, and the key to ignition is the spark plug installed on the engine. Ignition coil belongs to the ignition system of the engine, its core components include ignition coil and spark plug, ignition coil is used to increase voltage, only the voltage is high enough, spark plug has enough ignition energy. Therefore, it can be seen from these descriptions that the ignition coil is indeed an important part of the engine.

Structure of ignition coil

The structure of the ignition coil mainly includes a primary coil and a secondary coil.
Ignition coil is the core component of automotive ignition system, its working principle is similar to the ordinary transformer, can convert the low voltage direct current of the vehicle into high voltage alternating current. This process is crucial to achieving ignition of the engine. The ignition coil contains two sets of coils: the primary coil and the secondary coil. The primary coil is usually wound with thicker enamelled wire with more turns, while the secondary coil uses thinner enamelled wire with relatively fewer turns. One end of the primary coil is connected to the positive pole of the low-voltage power supply on the car, and the other end is connected to the switching device (breaker); One end of the secondary coil is connected to the primary coil, and the other end is connected to the output end of the high voltage line to output high voltage. This design allows the ignition coil to convert the low voltage on the vehicle into a high voltage, usually 10,000-15,000 volts, which is used to provide enough voltage to the spark plug so that the gap between its two electrodes is broken down, generating a spark, and thus achieving the ignition function.

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Ignition Coil 90919-A2004 90919-A2002 UF487 90919-02255 for TOYOYA