What are the symptoms of a broken car ignition coil?

1. The ignition coil is generally responsible for the ignition of one cylinder, and there are also responsible for two, if the ignition coil is broken, then the corresponding cylinder can not work, the most obvious symptom is the acceleration weakness, and accompanied by shaking;

2. If the ignition energy provided by the ignition coil is less (leakage), the engine may also shake when idling, and sometimes the engine noise can be heard;

3. Of course, the engine has a monitoring system, if the ignition coil is broken, it will also know by itself, at this time you can see the engine fault light on the dashboard, in fact, it is to remind you that the fault occurs;

4. Think about it again, if the ignition coil is broken and the cylinder is also on strike, then the mixture in the cylinder cannot be burned, and finally it can only be sent away by the exhaust pipe, but the mixture is not the object of three-way catalytic purification after all, so it will eventually adhere to the three-way catalytic and cause blockage;

5. No matter how serious it is, it doesn't matter if an ignition coil strikes, if the other buddies also take a break, then the power of the car will be wasted, and the end result will be that the car will go abruptly until it turns off.

Ignition coil. The most obvious feature of the fault symptom is the lack of cylinder in the engine, the engine may have obvious sudden sound in the idle state, the most obvious feeling on the exhaust pipe with your hand, and accompanied by the engine shaking is bad, then you can judge that the ignition coil may be broken.

The ignition coil is broken, the car is moving, the higher the gear, the more obvious the frustration of the car when refueling, the engine shakes badly, and it is slightly better to give oil smoothly, and the case of fierce oil is the most experienced, and even has the feeling of turning off.

Routine maintenance and replacement intervals of ignition wires.

The simple explanation for the ignition coil is to make the spark plug.

The part that can "create a spark" that ignites the gas mixture in the cylinder. In fact, it is responsible for converting the low-voltage current of the car into high-voltage electricity.

A transformer, under normal circumstances, each cylinder is equipped with a set of ignition coil and spark plug, the old car ignition coil will generally be replaced in 100,000 kilometers or even longer, the current car has improved the technology, some ignition coils are not bad for life, so as long as the ignition coil works normally, there is no need to replace.

The failure of the ignition coil is often due to the poor quality of the fuel, which cannot be fully combusted, resulting in carbon accumulation in the spark plug.

Too much, the ignition coil will be broken down and the ignition coil assembly will be damaged.

Based on the protection of the ignition coil, the following aspects need to be paid attention to when driving: prevent the ignition coil from being heated or damp; Do not turn on the ignition switch when the engine is not running;Frequently inspect, clean, and tighten line joints to avoid short circuits or tie-offsControl engine performance to prevent overvoltage;The spark plug shall not be "hoisted" for a long time;The moisture on the ignition coil can only be dried with a cloth and must never be baked with fire, otherwise the ignition coil will be damaged.

The ignition coil is composed of the main coil, the secondary coil, the magnetic core, the switching triode and other auxiliary components, the main coil is charged by the battery, the secondary coil is discharged and the spark plug is ignited, and the triode is responsible for switching. The charging time is controlled by the battery voltage and engine speed to ensure that the energy of each charge is consistent, the ignition coil has two kinds: 3 wires and 4 wires, 3 wires are the positive and negative power supply, and the switch controls the ECU instruction, and the 4 wires have an additional ignition detection line, which can detect whether the spark plug is ignited and whether there is a discharge current in the secondary coil.

To put it simply, the ignition coil is a transformer, that is, the voltage of tens of volts is raised to tens of thousands of volts, but the voltage input to the primary coil is provided by the electronic igniter.

2: The reason why the ignition coil burns out.

Mainly due to the aging breakdown of the insulation layer or the damage of the switching triode, the large spark plug gap will lead to the large load of the main coil, the heating is large, the insulation layer is aging fast, the spark plug gap is small, the secondary coil discharge current is large, the heating is fast, the insulation layer is aging fast, the assembled ignition coil may have poor durability of the insulating material, the internal resistance of the coil is large and the heating is fast, the quality of the triode is not high, and the life will be shorter.

If it is always burned out, it will burn out again soon after replacing it

Let's take a look at the problem of the generator first, if the power generation is too high, the load of the ignition coil is too heavy, it is easy to burn out, but if the power generation is 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.

If the spark plug gap is too large, adjust the gap or replace the spark plug.

The quality of gasoline is not good, try to change to high-grade gasoline.

If the compression ratio of the cylinder is wrong, adjust the compression ratio.

If the computer version has a program failure, you can go to the repair shop and use the computer to test the car and clear the wrong information. If it doesn't work, it may be that there is a problem with your car's transmission.

The power supply voltage is unstable.

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

There is a short circuit in the secondary.

The ignition coil is overheated due to the high primary current of the ignition controller.

It does not work well when subjected to high temperature and high pressure waves.

There is a small chance that it is a problem with the coil itself, so you can try a different brand.

The ignitor manifold does not work well.

The following is the fault phenomenon of the ignition coil of the car:

1. In the idle state, the body shakes obviously. Observing the exhaust pipe mouth, the exhaust air flow of the car has obvious intermittent movements, and at the same time, the exhaust pipe shakes violently, and you can clearly hear the "sudden sound;

2. In the process of driving, when the speed is below 2500 rpm, the body shakes significantly and the acceleration is weak; When the speed exceeds 2500 rpm, the jitter disappears;

3. Open the engine cover, observe the engine in operation, and find that the engine has obvious shaking. This kind of jitter is obviously not the jitter under normal engine working conditions, and the jitter amplitude is very large.

1. In the idle state, the body shakes obviously. Observing the exhaust pipe mouth, the exhaust air flow of the car has obvious intermittent movements, and at the same time, the exhaust pipe shakes violently, and you can clearly hear the "sudden sound; 2. In the process of driving, when the speed is below 2500 rpm, the body shakes significantly and the acceleration is weak; When the speed exceeds 2500 rpm, the jitter disappears;

3. Open the engine cover, observe the engine in operation, and find that the engine has obvious shaking, which is obviously not the jitter under normal engine working conditions, and the jitter amplitude is very large. If only one ignition coil fails, the remaining three cylinders work normally, and it is not a problem to barely drive in an emergency, but it is very unfavorable to the engine, frame and connecting parts of the car. If the ignition coil of more than one cylinder is burned, it is recommended to stop the vehicle immediately for inspection.

There are a variety of symptoms that appear:1The vehicle's engine will have a lack of cylinders.

2.There will be shaking after the engine starts. 3.

The engine is noisy when it is running. 4.The power of the vehicle will decrease somewhat.

5.The vehicle stalls when it is moving. All are caused by damage to the ignition coil.

For example, the ignition energy is insufficient, resulting in the spark plug electrode often being polluted by carbon deposits; The ignition coil is disconnected or grounded, does not generate high voltage, cannot be ignited, etc.

What are the symptoms of a broken ignition coil? Put a glass of water on the engine at a glance.

With the development of automobile gasoline engines in the direction of high speed, high compression ratio, high power, low fuel consumption and low emissions, the traditional ignition device has not adapted to the requirements of use. The core components of the ignition device are the ignition coil and the switchgear, and the spark plug can produce a spark with sufficient energy to increase the energy of the ignition coil, which is the basic condition for the ignition device to adapt to the operation of modern engines.

Lack of cylinders, the engine shiveres, and ignition is not good.

Engine shake: Once the ignition coil is fired.

There was damage along with the spark plug.

If the flammable gas mixture cannot be broken down and ignited, it is very easy to cause the engine to lack cylinders, resulting in violent shaking. If the number of missing cylinders is too large or two adjacent to each other do work.

If the cylinders are missing at the same time, the engine will most likely not start properly.

Increased fuel consumption and decreased power: Even if the ignition coil is damaged and the engine is not lacking, the combustion of the combustible gas mixture of the engine will still be affected due to the weakening of the spark plug's ability to skip fire, resulting in adverse reactions such as increased fuel consumption and decreased power.

What are the symptoms of a broken ignition coil? Put a glass of water on the engine at a glance.

The symptoms of the ignition coil failure of the car are as follows:1Fuel consumption increases, power decreases.

As the ignition ability of the spark plug weakens, the combustion of the combustible mixture in the engine will be affected, resulting in adverse reactions such as increased fuel consumption and decreased power. 2.Carbon deposits are produced in large quantities.

Due to the weakening of the ignition ability of the spark plug, the incomplete combustion of the combustible mixture produces a charred substance called carbon deposits, and black smoke is emitted from the exhaust pipe of the car. 3.Engine shake.

Due to the lack of cylinders in the engine, the working balance is broken, so the engine will shake violently during the working process. However, if the engine has too many cylinders or two adjacent working cylinders are missing cylinders at the same time, the engine may not start properly.

The symptoms of a broken ignition coil of a car are: 1. The spark plug electrode is often polluted by carbon deposits due to insufficient ignition energy; 2. The ignition coil is broken or grounded, and the high-voltage electric fiber is not generated, and it cannot be ignited; 3. The surface of the ignition coil is discharged, and there are traces of burn damage at the ignition discharge part; 4. The car suddenly turns off, and the speed cannot go up; 5. The engine lacks cylinders, and there may be obvious abnormal noise in the idle state. The core components of the ignition device are the ignition coil and the switch device, improve the energy of the ignition coil, the spark plug can be registered to produce a spark of sufficient energy, the ignition coil should be prevented from heating or damp, do not open the ignition switch when the engine is not running, and always check the posture, clean and tighten the line joint to avoid its short circuit or tie-up.

A car ignition system does not mean that the spark plug ignition will start the vehicle, but in practice, the spark plug ignition cannot be done on its own. The ignition coil of the car plays a key role in its backup, which is connected to the spark plug, the primary coil is charged by the battery, and the secondary coil is discharged to the spark plug.

First, the role of the ignition coil of the car.

The core components of the ignition device are the ignition coil and the switchgear, which are controlled by us manually, and the ignition coil is the internal part, which is connected with the spark plug to increase the energy of the ignition coil, and the spark plug can produce enough energy. The main coil of the ignition coil is charged by the battery, the secondary coil is discharged to the spark plug to complete the ignition, and the triode is responsible for switching on and off.

Second, the symptoms of a broken ignition coil.

1.If the ignition coil of the car is broken, the engine of the car will keep shaking and lack the cylinder when idling, and you can hear the sound of "bursting".

2.If the speed is below 2500 when driving in China, the body is obviously shaking, the acceleration is weak, and the speed is above 2500, the sense of shaking disappears, which is also a problem with the ignition coil.

3.Open the hood and observe the engine in action. If there is obvious jitter, it is no longer jitter under normal working conditions, and the jitter amplitude is relatively large, which is likely to be the fault of the ignition coil.

3. The cause of ignition coil damage.

1.If used for too long, the insulation will deteriorate, which usually happens on older cars. If the service life is not long, it is necessary to check whether the ignition coil insulation is aging rapidly due to excessive spark plug gap load and heat.

2.When the engine overheats, the ignition coil insulating varnish is baked, which means that the gap between the spark plug electrodes will be too large, which will increase the load on the ignition coil, and the breakdown of the high-voltage coil will cause a short circuit.

3.There is also a chance that the plug of the ignition coil will come loose. If the plug is loose, the additional resistance of the ignition coil will inevitably be damaged.

4.The most common is self-detonation. When the ignition coil is broken, it will leak electricity, resulting in insufficient ignition capacity.

If only one ignition coil fails, the other three cylinders work fine and can barely drive, but can adversely affect the engine, engine base, and connecting parts. If this happens, it is recommended not to continue driving, especially if the ignition coil of more than one cylinder is burned out, stop immediately, otherwise it will cause irreparable losses.

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Symptoms of broken ignition coil of the car: 1. In the idle state, the body shakes obviously; 2. In the process of driving, when the speed is below 2500 rpm, the body shakes significantly and the acceleration is weak; 3. Open the engine cover, observe the engine in operation, and find that the engine has obvious shaking.

There are three manifestations of a broken engine ignition coil:

First, in the idle state, the body shakes obviously;

Second, in the process of driving, when the speed is below 2500 rpm, the body shakes significantly and the acceleration is weak;

The third is to open the engine cover, observe the running engine chaotic brightness, and find that the engine has obvious shaking.

Ignition coil failure cause:

1. The short circuit of the spark plug will directly cause the ignition coil current to increase and short circuit.

2. The spark plug is open (carbon deposit), which will cause the load of the ignition coil to increase, and the failure will occur due to overload work for a long time.

3. The short circuit of the high-voltage line to the ground (iron) will cause the ignition coil current to increase and short circuit.

4. The high-voltage line is broken, which will cause the high voltage generated by the ignition coil to be unable to be released, and the electric mold will be discharged to the ground and cause a fault if the pressure is piled up.

5. The high power supply voltage of the power supply will cause the current of the primary circuit to be too large, and the ignition coil will burst. Before replacing the ignition coil, please carefully check whether the spark plug, high-voltage wire, power supply voltage, and contact are good to ensure the normal use of the ignition coil. When installing the ignition coil, the phenomenon of "no response to loading" occurs, which is mainly caused by insufficient contact with the low-denier start-up plug. Therefore, when the repairman replaces the ignition coil, he must reliably insert the plug on the car into the low-voltage socket of the ignition coil to ensure that the low-voltage connector is connected reliably.

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