How does the car ignition coil work?

The main cause of car ignition coil burnout is the aging and breakdown of the insulation layer or the damage of the switching transistor. The spark plug gap will cause the main coil to load, heat, and the insulation layer will age quickly. The small spark plug gap will cause the secondary coil to discharge current, heat, and the insulation layer. Fast, the assembled car ignition coil may have a shorter lifespan, such as poor durability of insulation materials, large internal resistance of the coil, high heat generation, and low quality of the tertiary tube.


If it is always burned out, and it will burn out soon after replacement, what is the reason? The following summarizes some:


1. First look at the problem of the generator. If the power generation is too high, the car ignition coil will burn out if the load is too heavy, but if the power generation is really too high, then the body electrical appliances, such as light bulbs, will often be damaged; of course The quality of the accessories is not ruled out, so it is best to measure the power generation first.


2. The spark plug gap is too large, adjust the gap or replace the spark plug;


3. The quality of gasoline is not good, try changing to higher-grade gasoline;


4. The cylinder compression ratio is wrong, adjust the compression ratio;


5. If there is a program failure on the computer board, you can go to the repair shop to test the car with a computer and clear the error message. If it still doesn't work, there may be a problem with your car's transmission.


6. The power supply voltage is unstable;


7. The resistance of the high-voltage line is abnormal, replace the high-voltage line;


8. There is a short circuit phenomenon in the secondary;


9. The primary current of the ignition controller is too high, which causes the car ignition coil to overheat;


10. It is not good to work due to problems with high temperature and high pressure waves;


11. It is very unlikely that the coil itself is a problem, you can try another brand;


12. The integrated block of the igniter does not work well;


The car ignition coil itself is a transformer, which is like a transformer in a household appliance. When the voltage changes within the specified range, the transformer will not be burned. Normally, the burning of the transformer will only cause this situation when the transformer is overloaded. When solving this problem, we must try to find out the cause of the excessive load or the aging of the components.


Haiyan is a mature ignition coil manufacturer and supplier, specialized in car ignition coil since 1983, welcome to contact us!

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