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What are the conditions of ignition coil failure?
If the car has no start/ difficult start, misfire, backfire, engine shaking, weak acceleration, poor fuel economy, engine idling vibrates or the engine fault lamp light up, please check the ignition coil and spark plug in time.
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Replace one or all？
If driving more than 60,000 km, it is recommended to replace all coils to ensure effective ignition of the coils and extend their service life, because If one of them has a problem, the other ones may also have problems in the near future.
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Why does the trouble lamp still be on after replacing the ignition coils？
After replacing the ignition coil, the engine computer may still has a fault memory, it would automatically be cleared after a short time, if still not, may go to a local repair shop for it.
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How does ignition coil work?
Ignition coil is a transformer actually, which can convert the 12-volt voltage of the car into a voltage of 20,000-30,000 volts. The ignition system of the car uses this high-voltage electricity to ignite the mixed gas in the cylinder.
