Priora ignition coil 16 valves which is better

On 16-cylinder "tens" engines (for example, on a VAZ 21124 engine), the plant installs individual ignition coils (IKZ). High-quality IKZ is the key to uninterrupted engine operation. Do you know which ignition coils are best to choose?

On VAZ 2110, 2111 and 2112 cars, IKZ from different companies were installed from the factory. You can distinguish them by the catalog number (article) that is stamped on them. For example:

2112-3705010-10 - “BOSCH”, Germany;
2112-3705010-11 - NPP "ITELMA", Moscow;
2112-3705010-12 - JSC "SOATE", Stary Oskol;
2112-3705010-13 - PO "SEVER", Novosibirsk.

Depending on the manufacturer, the price of ignition coils can vary significantly. Imported IKZ for VAZ can now be found for 1500-1800 rubles. Cheaper Russian analogues are 2 times cheaper.

It is worth considering that there are a huge number of fake IKZs . The service life of such products is significantly lower than the original ones. For example, according to reviews from owners, after installing Chinese ignition coils, the “cylinder misfire” error appeared after just a few hundred kilometers. And after the same amount of time they completely failed. An example of how to distinguish original Bosch IKZ from a fake.

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Tags: IKZ, ignition system, Priora, Lada, ignition module, spark plugs

Comments 77

Looks like I understand why they are burning for you

I don’t know, the electrician did the work for me and set it up.

But here we need to redo the brains and wiring

What should you do with your brains?

They say they fit from BMW, you just need to change the plug.

Do you wash the engine often?

I've never washed. Yes, everything is crap there. But the coils are all original. I use A17 candles in branded packaging. But what I liked most was the NGK spark plugs; they don’t die suddenly. I drove 50 thousand on one set and changed it just for peace of mind.

I replaced everything with bosch ones at intervals of 6 months, A17dvrm spark plugs from the bosch group. 5 years of normal flight!

The coils are still original, I put spark plugs on the VAZ, the mileage is 112,000 km, I immediately threw the mass from the battery to the internal combustion engine wire kg, there are no problems yet, I also set it to the account of the condensers, then I removed it, it’s all empty, but check the mass of the internal combustion engine and the mass of the coils, it is secured on the side of the box

SOATE coils and Denso spark plugs work great together

Brisk point and not candles

I changed all 4 coils on mine (after 70 thousand km, relatives began to die, every 6 months). Instead, I took Soate2112. A year later, one died again. The spark plugs were Engels, I threw them out, I think they were the reason the coils were dying. I bought a Brisk and didn’t have any more problems. So I sold it.

What problem do you have, why did you collect the collection?

Trouble, revs fluctuate, hard to start. The symptoms disappeared after replacing the ICP. The diagnostics found nothing, there are no errors in the ECU, all indicators are normal (Opendiag).

It is necessary to do normal diagnostics, or even replace the ECU; the problem is most likely not in the coils,

Trouble, revs fluctuate, hard to start. The symptoms disappeared after replacing the ICP. The diagnostics found nothing, there are no errors in the ECU, all indicators are normal (Opendiag).

Also add richness and high consumption and all the symptoms of a dead air flow sensor.

Trouble, revs fluctuate, hard to start. The symptoms disappeared after replacing the ICP. The diagnostics found nothing, there are no errors in the ECU, all indicators are normal (Opendiag).

Yes, you need to use a motor tester (such as SKANMATIKA) to perform normal diagnostics and measure leaks with a smoke generator. Opendiag gives a superficial picture. In short, do a normal diagnosis and everything will become clear.

How to determine a breakdown

In order to determine the malfunction, you just need to take a closer look at the behavior of the car. Typical signs of problems with ignition coils are as follows:

the engine begins to “trouble”, unstable operation of the power plant is noted, the more time passes from the moment the problem appeared, the worse the engine performs;
The poor performance of the unit is especially noticeable at sub-zero temperatures; the situation more or less normalizes only after the engine warms up. In addition, the problem may occur frequently if the machine is located in an area of high humidity;
when you sharply press the gas pedal on the engine;
There is a special indicator on the instrument panel, the so-called Check Engine. It signals to the car owner that there is some kind of malfunction in the car’s power circuit. You can decipher the indicator readings using the instruction manual that came with the car upon purchase.

Diagnosing a failure of an element is not difficult; it is more difficult to identify which part is not working. Each cylinder in the Priora has an individual coil installed; there is no ignition module on the car. Therefore, you will have to run each of them with a multimeter and check each tip. Special attention should be paid to the caps, because if a problem happens to them, you won’t have to change the part. To identify the problem, you just need to remove the element and clamp it with pliers. If the silicone from which the part is made begins to wrinkle, then the tip needs to be replaced. If, when compressed, it remains even and smooth, then the problem lies in something else.

We check the ignition module on the injection VAZ-2110 8 valves with our own hands

At different times, different engines were installed on the VAZ-2110 car, both carburetor and injection. However, regardless of the type of power system and the number of valves (8 or 16), all engines are assembled on the unit base of the old engine 21083 and 21093. The most progressive of these engines is the 16-valve 1.6-liter VAZ 21124 engine with a power of 89 horsepower. Today we will touch on the ignition module for 8-valve engines 2111 and 21114 (1.6 l), check its performance and find a suitable replacement for the failed module.

Which reel to buy

Many car enthusiasts advise buying the cheapest devices. Why is that? It is believed that the coils burn primarily due to a poor-quality spark plug. Of course, it would be useful to make sure that all the spark plugs are in good working order, but even if there are no problems, but the coil still burns out, it is recommended to replace the spark plug in the cylinder where the malfunction occurred. At the same time, not all car owners are ready to trust the most budget reels, and such an opinion also has a right to life.

Removing and installing a coil on a Priora

To change the ignition system element in a 16 valve engine, follow these steps:

Park the car level, securing it with the hand brake.
Raise the hood and remove the negative from the battery.
Undress the motor by removing its plastic protective casing.
Find the spare part you need, and then the wire block connected to it.
Squeeze the wire block clamp and turn off the power.
Using the 10th key, unscrew the bolt that secures the part to the metal.
Carefully remove the spool, trying to move it vertically. It would be a shame to damage the wiring at the very last moment.
Remove the faulty part and replace it with a new one. Tighten the fastening bolt, connect the wire block and place the negative on the battery. Check functionality.

General principle of operation of the ignition coil, history

Like most active electrical devices, the bobbin operates on the induction effect. The point is this. The coil is constantly supplied with 12 volts. There are two windings running inside the device. High and low voltage. The trick is that at the moment the circuit closes, there is 12 volts in the low voltage winding. In the second, internal, short high-voltage pulse is induced. Up to 24 volts. That is 24 thousand. This impulse is applied to the spark plug, and a high-temperature spark flashes between its electrodes, igniting the fuel mixture. There are three types of ignition systems:

Contact - 14-18 volts.
Electronic - 19-22 volts.
Electronic engine control system (ECM) - 22-26 volts.

The Priora has an ECM system. What is its difference from other, familiar settings.

Features of the ECM

Cars equipped with these systems are simply called “injectors” by drivers. Everything here is controlled, or rather an electronic control unit. His drivers and mechanics call him even more simply - brains. All the work of this enclave goes in a chain:

The main difference between the Priora ECM

The fact is that for the Priora engine, the idea of an individual ignition coil for each spark plug was implemented. Since the engine has a 16-valve gas distribution mechanism, with deep wells for installing spark plugs, this allows this idea to be implemented perfectly. So, the Priora engine has 4 spark generators. On earlier vehicle models with an ECM, a module of two twin coils was installed. The inconvenience is that if one of the windings fails, two cylinders stop working at once. Either 1 and 4, or 2 and 3.

On the Priora with separate spark generators, each spark plug has its own coil. That is, if there is a breakdown, only one cylinder stops working. This allows you to get, with ease, to the place of repair.

Individual coil device

Individual bobbins are fundamentally no different from classic ones, but they are more reliable, at least because they are at least four times less likely to spark, which greatly increases their service life.

In addition, individual reels are often equipped with a diode that cuts off high reverse voltage.

Customized coils

Such coils heat up much less, are reliable and are easily adjusted by the central processor to achieve optimal engine operation under different loads.

Determining a faulty ignition coil

An undeniable advantage of cars with an ECM is the possibility of computer diagnostics. But there are some tricks here too. The Priora ignition coil can have three types of malfunction.

Winding circuit break.
Winding short circuit.
Mechanical damage to the tip.

And diagnostics clearly identifies only the first malfunction. In other cases, the computer indifferently reports that leaks have been detected in cylinder No. And here you need knowledge of the features of the Priora ignition system in order to determine the malfunction. The fact is that other breakdowns can also cause gaps. Such:

Failure of the fuel injector.
Inoperative spark plug.
Loss of compression in the cylinder.

How to determine that the ignition coil is not working

This method is not new, but it is very effective and very simple. So, the alarm light came on, “Check.” But there are no diagnostics at hand. What to do? The procedure is as follows:

Open the hood of the Priora.
Remove the decorative plastic motor cover.
Start the engine at idle.
Remove the connector from the coil of the first cylinder. If this “boiler” is working, then its forced shutdown will cause the motor to work completely inadequately. The vibration will increase significantly, and noticeable interruptions will appear.
If everything is in order in this cylinder, then the chip is put in place, and you need to move on to the next one. So, all the “boilers” in turn.
But if the cylinder does not work, then removing the connector will not change anything. The level of work will remain the same, which means it’s all here. Now let’s clarify the degree of fault of the Priora ignition coil.

This is done as follows. The engine must be turned off. Take a 10mm head and a wrench. The spark generator mounting bolt is removed from the suspicious cylinder. Exactly the same from the neighboring one. Then they simply change places. They are fixed and the engine starts again.

But if all the signs remain in place, then the coil is working properly, and other components need to be checked. But that's a completely different story.

Design and principle of operation

So, starting the engine begins with turning the key in the ignition switch. At the same time, current must flow to the spark plugs, they give a spark to the fuel-air mixture, which is pumped up by the pump, the starter begins to rotate, causing the crankshaft to start moving. But the battery operates with low voltage electrical current.

Each coil is a small transformer. Two levels of winding are hidden under the housing of the element of the VAZ-2170 Priora ignition system. Its wires are low-voltage and high-voltage. The first ones receive current from the battery, the second ones transmit it to the spark plugs. When the current is converted, it is transferred to the spark plugs. The ECU “manages” this process, correctly distributing the force between the spark plugs.

As for how many ignition coils are in the Priora, there are 4 of them - one for each cylinder. Their work does not mix or overlap in any way. Each of them has “its own scope of work.”