What Are The Ignition Coil Failure, How To Diagnose And Eliminate

- Mar 06, 2018 -

1 engine jitter, lack of cylinder obvious

The reason is that spark plugs, high-voltage wires and ignition coils work poorly.

The solution: Check the spark plug is too much carbon, replace the spark plug.

Cold start difficult

Ignition coil aging, high voltage wire spark plug aging or leakage, the same can lead to lower ignition energy.

Spark plug electrode gap, ignition coil energy, high voltage line status and the like

3. Poor cold car acceleration

Ignition coil aging, high voltage wire spark plug aging or leakage, the same can lead to lower ignition energy.

Spark plug electrode gap, ignition coil energy, high voltage line status and the like

4. Engine can not start (the motor is running properly)

Ignition coil plug loose, no high voltage

If the ignition coil of the additional resistance damage, the ignition coil can be switched and switching power supply wiring shorted to ensure that the engine work.

5. Acceleration, shift frustration

Ignition coil aging, plug loose

6. Leakage causes natural

When the engine is working, the temperature of the ignition coil is very high, so that the insulation layer of the high-voltage ignition wire is softened, aged, cracked and damaged, and the ignition high-voltage is easy to penetrate the insulation layer, which easily causes high voltage leakage, , Ignited the engine, carburetor and other leaking gasoline, causing the fire burning.

When the car is driving in high temperature environment, the high-pressure spark is weakened due to the overheating of the ignition coil, and the high-speed engine off phenomenon is prone to occur. Severe burning ignition coil, affecting the normal car.


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