Spark plugs for Chevrolet Niva VAZ 3123, brake system Niva 2123, checking the engine on a car after repair, Description and technical characteristics of the VAZ-2023 car, maintenance and repair, Sat.

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Chevrolet Niva has been produced since 2002. Only 1.7-liter VAZ-2123 gasoline engines were installed on the SUV, so the spark plugs for the Chevrolet Niva do not differ in any way depending on the year of manufacture of the car. The original spare part is supplied to the conveyor by the LADA company, and the manufacturer is the Russian enterprise “EZ” (Engels Plant).

Spark plugs for Chevrolet Niva - which ones to install

All Chevrolet Nivas with 1.7 liter gasoline engines are equipped with spark plugs from the factory - 2111-3707010. They are also available under a different, updated article number - 21110-3707010-00. In fact, these are all the same spare part, having a regular central electrode made of nickel, single-contact. The tightening torque during installation is 28 Nm. Sold in branded packaging from LADA. It can also be found on sale directly from the manufacturer under the article number A17DVRM. In both cases, these will be the same candles with the same quality, and in price, as a rule, they are practically the same.

Dimensions of the original spark plug for Chevrolet Niva
Thread / thread length, mm	Key size	Gap, mm	Heat number*	Center electrode material
M14×1.25 / 19	21	1.1	17	Nickel

As for the quality of the original components, according to driver reviews, it is at an average level. The main disadvantage is the rapid “rotting” of the spare part and poor surface treatment of the ignition coil. For example, there are frequent cases when a given spark plug becomes covered with noticeable traces of corrosion during long-term storage (1 - 1.5 years). And such corrosion, in turn, negatively affects the transmission of sparks, and as a result, the operation of the engine.

Also, A17DVRM spark plugs can be found with the prefix in the name before the article number of the abbreviation “APS”. This indicates that such a spark plug was made partly using components from Germany, and using more modern technologies. This spare part is of higher quality, and the processing of its elements, in particular the ignition coil, is performed at a higher level.

Procedure for checking the ignition module on a Chevrolet Niva

Before proceeding with dismantling the module, you need to make sure that the cause of unstable operation is not a simple lack of power contact. To do this, we “move” or turn on and off the connected block of wires several times. If such a procedure does not bring any results, then the functionality should be checked on a dismantled device.

The values on the multimeter are normal.

When the element is removed, we prepare the multimeter for use and check the integrity and cleanliness of the sockets on the terminals (A, B, C, D - approx.).
First of all, connect the red probe to contact – D, the second one to ground. We turn the multimeter into voltmeter mode - 20 volts, and if the socket is working, then the readings on the tester should be 12 volts.
Next, go to contact – C, the second again to ground. We switch the multimeter to the ohmmeter mode and look at the readings of the device, and if it is less than 1 ohm, then the socket is normal.
We check contacts A and B one by one, but in the same order. We connect the multimeter in voltmeter mode and if the readings do not exceed 0.3 volts, then the device can be considered fully working.

If any measurement shows results that do not meet the standards, then you should look for problems immediately in the coil circuit.

Transferring the ignition module

The ignition module has been moved higher

As already written above, for better operation of the ignition module, it is recommended to move it higher in the engine compartment.

Inspection and replacement of parts

Remove the high-voltage wire tips from the spark plugs.
Clean the part and the area around it so that when turning it out, dirt does not get into the cylinder.
Using a wrench, remove the spark plugs from the cylinder head.
Examine the candles. Based on the degree of carbon deposits, its color and character, you can diagnose the engine and determine whether it is worth changing the part, buying gasoline at another gas station, or whether it is time to repair the cylinder head.
Use a round feeler gauge to check the gap between the electrodes. It should be 1-1.15 mm.
If necessary, bend the side electrode and adjust the gap between the electrodes. Be careful: under no circumstances should the central electrode be bent! This can lead to damage to the insulator and inevitable failure of the spark plug.
Reinstall the candles. To do this, first screw them all the way by hand, and then tighten them with a wrench. Do not overdo it!

The most common causes of malfunctions

One of the most common causes of breakdowns is the secondary winding . Because it is in it that a high-voltage pulse is generated, and there, in most cases, a break or rupture of the turns can occur. This happens because of the following:

The car's operation took place when the high-voltage wires (high-voltage wires - approx.) were not working.
The engine was equipped with spark plugs with inappropriate performance parameters.

And also the cause of the malfunction may be a soldering failure; this usually happens due to frequent vibration. Or moisture formed during washing or condensation.

More about breakdowns

Armored wires are marked with arrows

First signs of trouble

As a rule, two coils do not fail at once, therefore, it will still be possible to start the engine even with a partially faulty module. But an experienced car owner should immediately suspect a problem, and they are accompanied by the following:

The engine is not able to easily gain “working” speed.
The idle speed will "float".
Engine tripping is possible.
Jerking may occur during movement.

All of the above reasons can also be observed during other breakdowns, so it is necessary to diagnose it correctly, and for this you need to know how to check the ignition module with your own hands.

Please note that if such a malfunction occurs, it is highly undesirable to operate the vehicle, but if necessary, it is only possible to get to the place where it is repaired.

Engine diagnostics based on spark plug condition

If you find black carbon deposits and dry soot on the center electrode, most likely your car is consuming much more fuel than you would like. The reason may be a malfunction of the air damper drive mechanism or injector, or a clogged air filter. In general, this indicates a failure in the engine management system.

The red skirt of the central electrode is the result of using an excessively large amount of additives containing metal in gasoline. Metal deposits during prolonged use of such fuel can form a conductive coating on the insulation, causing the spark plugs to fail.

If on the central electrode and its skirt you find a dense layer of oil with particles of cylinder destruction and drops of unburnt fuel, it means that one of the valves is damaged or the partition between the piston rings is broken. As a result, engine power weakens and fuel consumption doubles. In this case, a full-scale renovation is necessary.

Ash deposits on the electrode indicate the wear and tear of the oil scraper piston rings, and the destruction of the ceramic insulator indicates a faulty spark plug or its mechanical damage. Erosion of electrodes occurs when using leaded gasoline, and flooding of spark plugs with fuel occurs when the ignition system or injector is faulty.

Replacing spark plugs for Lada 2123 (VAZ 2123)

In this case, the Russian proverb “prepare a sleigh in summer and a cart in winter” fits perfectly.

It is better to check and, if necessary, replace the spark plugs immediately after the car switches to summer operation.

If your Chevrolet Niva did not travel long distances in winter, the spark plugs may not have had time to warm up to the self-cleaning temperature, which means they became covered with soot on the tips.

Inspection and replacement of parts

Remove the high-voltage wire tips from the spark plugs.
Clean the part and the area around it so that when turning it out, dirt does not get into the cylinder.
Using a wrench, remove the spark plugs from the cylinder head.
Examine the candles. Based on the degree of carbon deposits, its color and character, you can diagnose the engine and determine whether it is worth changing the part, buying gasoline at another gas station, or whether it is time to repair the cylinder head.
Use a round feeler gauge to check the gap between the electrodes. It should be 1-1.15 mm.
If necessary, bend the side electrode and adjust the gap between the electrodes. Be careful: under no circumstances should the central electrode be bent! This can lead to damage to the insulator and inevitable failure of the spark plug.
Reinstall the candles. To do this, first screw them all the way by hand, and then tighten them with a wrench. Do not overdo it!

Engine diagnostics based on spark plug condition

Types of spark plugs for Russian SUV

Most often, spark plugs are used, which are recommended for 8-valve injection engines. The optimal gap between the electrodes is 1.1 mm. It is necessary to ensure that it does not exceed 1.5 mm, otherwise the spark plugs will fail. Low-quality fuel will also be detrimental to them. Advantages: low price, long service life.

Multi-contact spark plugs are ideal for the Niva Chevrolet, which is actively used in severe frost conditions. The main advantage is trouble-free engine starting early in the morning. These candles can only be used in winter and replaced with regular ones in summer.

How to protect yourself from buying a counterfeit?

Its O-ring can be easily removed. This cannot be done on a branded product. Its insulator is smooth and shiny, without mold seams, with clear and neat lettering. And of course, high-quality parts for your Chevrolet Niva cannot be cheap.

Do not exceed the tightening torque specified by the manufacturer. If you overtighten the sealing ring, it will not perform its functions, the spark plug will quickly fail and require replacement, which means new costs.

Always use only high-quality gasoline! One refueling of bad fuel may be enough for the entire set of spark plugs to fail, no matter how expensive and branded it may be.

VAZ-2123 injection engines have been produced for more than 10 years, and during this time they have been brought to the Euro-4 standard. AvtoVAZ supplies these engines with A17DVRM spark plugs supplied from the city of Engels.

Details about choosing spark plugs for Chevrolet Niva

At one time, one authoritative publication compared 9 replacement options. But the reader will not immediately know which spark plugs work best on a Chevrolet Niva: if you buy the “best” BOSCH Platinum spark plugs, cold starts will become problematic.

We watch a video with conflicting reviews about NGK brand products.

What has already been tried

Let's consider 4 options.

We will only name the “cons”:

BOSCH Platinum WR7DPX - starts more difficult than even with the A17DVRM, but then the engine works better than with others;
BRISK Super LR15YC - durability will be 15-20 thousand, not 30;
BOSCH Yttrium WR7DCX - something between the first two;
A17DVRM - depending on your luck. It may fail at 5 thousand, but only one spark plug (not all).

There is a hypothesis that Platinum is Yttrium, which passed all the tests. This means that with “good” spark plugs our engine starts worse than with “regular” ones. Why not.

A good option from GM is WR8DCX+ spark plugs, that is, an analogue of A17DVRM. Rejection almost never occurs, and the start is better than with A17.

The point of the first paragraph is for the reader to understand: general recommendations are one thing, but the “2123” motor is something completely different.

What is good for the 1.6 engine?

For the 2111 engine, the balance of forces looks like this:

BOSCH Platinum WR7DPX

"EZ" T17DVRM 1.0 (3 electrodes)

NGK BPR6ES-11

DENSO W20EPR-U11

Ween 121-1370/KMR6C11

BERU 14R-7DUX

BRISK Super LR15YC

Hola BH7CR11

"Citron" A17DVRM

Based on this list, it is impossible to say which spark plugs are best for the Chevrolet Niva. What works best for one 8 valve (1.6) may not work for another (1.7).

The products of the Japanese brand DENSO were popular, but counterfeits began to appear, and now budget DENSO candles are no longer sold at all.

We choose spark plugs consciously

All products from the DENSO IRIDIUM POWER series have proven themselves well. For the “2123” motor, one option is suitable, IW20, but IK20 is already a turnkey “16”. The cost of the kit can exceed 90 euros. Do we need it?

Those who bought spark plugs with four electrodes are happy. We are talking about the BOSCH SUPER 4 series and the WR78X version. But here, again, you will have to overpay. And that’s why they often choose NGK products. We are talking about the V-line line and option number 13. We need V-line 13 BPR6ES-11 spark plugs. Their service life in the “2123” engine can reach up to 60 thousand.

Brand "NGK" for Niva Chevrolet

Up to 90% of all NGK products are produced in Japan. And approximately 9% are products of the French branch. There are NGK factories in 14 other countries. Well, spark plugs for VAZ cars should be produced in France - the factory is located in the suburbs of Orleans.

The box usually has a barcode on it, so V-line candles, as it turns out, are made in Holland. The country code is 087.

Let's sum it up

If you study all the reviews, the rating is as follows:

DENSO IW20 - maximum iridium;

BOSCH WR78X - 4 electrodes;

NGK (see above) - high resource;

GM WR8DCX+ is a “winter/summer” option that performs better in winter than A17;

BRISK Super LR15YC (analogue of spark plug A17) or LR17YC (for winter only).

Recently, new brands have been appearing - “E3”, for example. And readers can tell themselves what spark plugs to put on a Chevrolet Niva.

Periodically during operation, it is necessary to carry out maintenance and, if necessary, replace spark plugs on a Niva Chevrolet car. Prepare a standard set of tools and perform the following sequence of actions:

Remove the caps of the high-voltage wires from the spark plugs.
Using a metal brush, we clean the surface of the spark plug and the dirt around it so that it does not get into the cylinder head when unscrewing.
We unscrew the spark plug from the block head.

After removing the spark plug, clean it of dirt and check for mechanical damage, the condition of the threads, whether there are cracks on the insulator, or damage to the electrode.
A working spark plug should have light brown carbon deposits. If the carbon deposits are very weak or completely absent, this indicates a lean mixture or that the spark plug itself is not working, or the spark plug brand does not match the engine type. Shiny black carbon deposits indicate that engine oil is getting into the cylinder, causing soot to form. The brick-red color of the coating indicates that the gasoline used has a lot of anti-knock iron-containing additives; this coating conducts current well and spark breakdown occurs. Spark plugs with a brick-red coating must be replaced.
After the spark plugs have been checked and cleaned, you can begin checking and adjusting the gap between the electrodes. For this, a special round probe is used, which can be purchased at a car store. A gap of 1.00–1.15 mm is considered normal. The adjustment is made by bending the side electrode.

At this point, the repair work on servicing the spark plugs on the Niva Chevrolet car has been completed. Carry out installation in reverse order.

Types of spark plugs for Russian SUV

Check procedure

First you need to check all the contacts, both those suitable for the block and the high-voltage wires going to the spark plugs. To do this, simply disconnect the wires several times and reconnect them. If this does not bring positive results, you need to move on to the next steps.

To do this, they usually use a multimeter connected to contacts D and the second one connected to ground. The device itself is switched to 20 volt mode. In this case, the readings on it should be 12 volts. Then, using the same scheme, check contact C in ohmmeter mode. The reading should be less than 1 ohm.

Contacts A and B are checked in voltmeter mode. Their readings should not exceed 0.3 Volts. If at least one of these indicators is outside the normal range, you need to look for problems in the coil.

Read more: Cooling system exhaust gas tester

If you find damage to the soldering of the contacts, you can try to fix them yourself using a soldering iron. If the coil is damaged, the ignition module must be replaced.

How to protect yourself from buying a counterfeit?

Branded parts have an absolutely smooth central electrode with a clear cylindrical shape. The side electrode must also be free of defects and installed perfectly straight. Now examine the carving. If you find small chips on it, this is a fake. Its O-ring can be easily removed. This cannot be done on a branded product. Its insulator is smooth and shiny, without mold seams, with clear and neat lettering. And of course, high-quality parts for your Chevrolet Niva cannot be cheap.

Always use only high-quality gasoline! One refueling of bad fuel may be enough for the entire set of spark plugs to fail, no matter how expensive and branded it may be.

Spark plugs Niva Chevrolet and Niva. Correct installation

Several general questions that Papuan services either “forget” or never knew about. The tightening torque must correspond to that specified by the manufacturer. The metal sealing ring should not turn into foil when tightened, otherwise it will cease to perform its function. It is advisable to install the spark plug with copper, aluminum or ceramic lubricant, especially in our case when we have an aluminum cylinder head. There is no need to pour lubricant as much as you can; one drop on the threaded part is enough so that next time the spark plug does not “stick” and can be easily unscrewed. Now about gasoline and spark plug life. Don’t think that if you installed a new set, you will run on the spark plugs until they die naturally. ONE “left” filling is enough so that a set of candles can be thrown into the trash. And of course the quality of gasoline itself. In St. Petersburg we have a network of “red-colored” gas stations; it happens that a couple of gas stations are enough for the spark plug to turn red; naturally, this “pattern” cannot be penetrated by any spark, leading to the breakdown of the ignition module.

Details about choosing spark plugs for Chevrolet Niva

It is recommended to replace it every 30 thousand, and the recommended imported analogue is the BRISK Super LR15YC spark plug, or LR17YC - this is for winter. However, in terms of price/quality ratio, there are now more interesting options. At one time, one authoritative publication compared 9 replacement options. But the reader will not immediately know which spark plugs work best on a Chevrolet Niva: if you buy the “best” BOSCH Platinum spark plugs, cold starts will become problematic.

We watch a video with conflicting reviews about NGK brand products.

What has already been tried

Let's consider 4 options.

We will only name the “cons”:

BOSCH Platinum WR7DPX - starts more difficult than even with the A17DVRM, but then the engine works better than with others;
BRISK Super LR15YC - durability will be 15-20 thousand, not 30;
BOSCH Yttrium WR7DCX - something between the first two;
A17DVRM - depending on your luck. It may fail at 5 thousand, but only one spark plug (not all).

There is a hypothesis that Platinum is Yttrium, which passed all the tests. This means that with “good” spark plugs our engine starts worse than with “regular” ones. Why not.

A good option from GM is WR8DCX+ spark plugs, that is, an analogue of A17DVRM. Rejection almost never occurs, and the start is better than with A17.

The point of the first paragraph is for the reader to understand: general recommendations are one thing, but the “2123” motor is something completely different.

Choosing which spark plugs work best on a Chevrolet Niva

Details about choosing spark plugs for Chevrolet Niva

We watch a video with conflicting reviews about NGK brand products.

What has already been tried

Let's consider 4 options.

"Brisky" after the first 15,000 km

We will only name the “cons”:

BOSCH Platinum WR7DPX - starts more difficult than even with the A17DVRM, but then the engine works better than with others;
BRISK Super LR15YC – durability will be 15-20 thousand, not 30;
BOSCH Yttrium WR7DCX - something between the first two;
A17DVRM - depending on your luck. It may fail at 5 thousand, but only one spark plug (not all).

There is a hypothesis that Platinum is Yttrium, which passed all the tests. This means that with “good” spark plugs our engine starts worse than with “regular” ones. Why not.

The point of the first paragraph is for the reader to understand: general recommendations are one thing, but the “2123” motor is something completely different.

What is good for the 1.6 engine?

For the 2111 engine, the balance of forces looks like this:

BOSCH Platinum WR7DPX
"EZ" T17DVRM 1.0 (3 electrodes)
NGK BPR6ES-11
DENSO W20EPR-U11
Ween 121-1370/KMR6C11
BERU 14R-7DUX
BRISK Super LR15YC
Hola BH7CR11
"Citron" A17DVRM

Based on this list, it is impossible to say which spark plugs are best for the Chevrolet Niva. What works best for one 8 valve (1.6) may not work for another (1.7).

T17DVRM 1.0 mm

The products of the Japanese brand DENSO were popular, but counterfeits began to appear, and now budget DENSO candles are no longer sold at all.

We choose spark plugs consciously

On the left is a BOSCH SUPER 4 spark plug.

V-line 13 kit

Brand "NGK" for Niva Chevrolet

Let's sum it up

If you study all the reviews, the rating is as follows:

DENSO IW20 – maximum iridium;
BOSCH WR78X – 4 electrodes;
NGK (see above) – high resource;
GM WR8DCX+ is a “winter/summer” option that performs better in winter than A17;
BRISK Super LR15YC (analogue of spark plug A17) or LR17YC (for winter only).

Recently, new brands have appeared - “E3”, for example. And readers can tell themselves what spark plugs to put on a Chevrolet Niva.

E3 Spark Plugs

We are waiting for your comments.

Checking the gaps - example in the video

What is good for the 1.6 engine?

For the 2111 engine, the balance of forces looks like this:

BOSCH Platinum WR7DPX
"EZ" T17DVRM 1.0 (3 electrodes)
NGK BPR6ES-11
DENSO W20EPR-U11
Ween 121-1370/KMR6C11
BERU 14R-7DUX
BRISK Super LR15YC
Hola BH7CR11
"Citron" A17DVRM

Based on this list, it is impossible to say which spark plugs are best for the Chevrolet Niva. What works best for one 8 valve (1.6) may not work for another (1.7).

The products of the Japanese brand DENSO were popular, but counterfeits began to appear, and now budget DENSO candles are no longer sold at all.

We choose spark plugs consciously

Brand "NGK" for Niva Chevrolet

The box usually has a barcode on it, so V-line candles, as it turns out, are made in Holland. The country code is 087.

Let's sum it up

If you study all the reviews, the rating is as follows:

DENSO IW20 - maximum iridium;
BOSCH WR78X - 4 electrodes;
NGK (see above) - high resource;
GM WR8DCX+ is a “winter/summer” option that performs better in winter than A17;
BRISK Super LR15YC (analogue of spark plug A17) or LR17YC (for winter only).

Recently, new brands have been appearing - “E3”, for example. And readers can tell themselves what spark plugs to put on a Chevrolet Niva.

Which spark plugs are best for the Chevrolet Niva - Auto site

Spark plugs NGK BPR6ES 11/5339

A fake Chevy Niva will not go far.

Chevrolet Niva spark plugs. The online store iaarus.ru offers only high-quality Chevrolet Niva Ngk candles,…

The catch is that the symptoms do not appear immediately, so identifying a fake is not so easy. Having made a thousand Japanese apologies, in a private conversation, he said that for the sake of competitive prices, the production of the cheap segment of candles was transferred to other factories.

In this case, four-pin.

If you find black carbon and dry soot on the center electrode, most likely your car is consuming much more fuel than you would like. The reason may be a malfunction of the air damper drive mechanism or injector, or a clogged air filter. In general, this indicates a failure in the engine management system.

A light gray or white color of the electrode means it is overheated, which ultimately leads to burnout of the exhaust valves.

Metal deposits during prolonged use of such fuel can form a conductive coating on the insulation, causing the spark plugs to fail. This means that it got from the engine into the cylinder. The reasons are incorrect selection of spark plugs, wear of valve guides, valve stem seals or piston rings.

As a result, the Chevrolet Niva consumes much more oil than usual. If on the central electrode and its skirt you find a dense layer of oil with particles of cylinder destruction and drops of unburnt fuel, it means that one of the valves is damaged or the partition between the piston rings is broken. As a result, engine power weakens and fuel consumption doubles.

In this case, a full-scale renovation is necessary. A completely destroyed central electrode and its skirt are the result of using defective spark plugs, long-term engine operation with detonation, or the use of low-octane fuel. The cylinder head will require major repairs.

Ash deposits on the electrode indicate the wear and tear of the oil scraper piston rings, and the destruction of the ceramic insulator indicates a faulty spark plug or its mechanical damage.

Comments and reviews

Erosion of electrodes occurs when using leaded gasoline, and flooding of spark plugs with fuel occurs when the ignition system or injector is faulty. Types of spark plugs for a Russian SUV Original Bosch spark plug So, you have carried out diagnostics and come to the conclusion that your car does not require repair.

Which spark plugs to choose if you only need to replace them? Since the idea is about the Niva Chevrolet model, it makes no sense to consider the option for a carburetor car. For the injector, you can choose one of the three most popular kits. Most often, spark plugs are used, which are recommended for 8-valve injection engines.

The optimal gap between the electrodes is 1.1 mm.

The first indicator indicates the operating temperature of the product. The higher the value, the colder the product. This means that work can also be done in unfavorable environments where the temperature is elevated. If the heat value is low, this means that the SZ is hot and will often overheat.

Selection of spark plugs by car make

If it overheats, it will not last long. Size plays an important role, that much is clear. If its size is small, the part simply will not screw into the socket and then the electrodes will be at a great distance from the combustion chamber.

If the length is longer than necessary, then the electrodes will stick out, and this increases the risk of contact with the piston. In this case, four-pin. I will not repeat the nonsense that is said in stores and markets.

Test of spark plugs А17ДВРМ and NGK BPR6ES 11 with zero resistance wire

It was a completely different SUV, but then this was confirmed in our cars. Their main advantage is starting the engine in the morning in very cold conditions.

Comments and reviews

Spark plugs Niva Chevrolet and Niva. The tightening torque must correspond to that specified by the manufacturer.

The metal sealing ring should not turn into foil when tightened, otherwise it will cease to perform its function. But there is little point in them - anyway, it is the central electrode that wears out, and not the side ones.

Inspection and replacement of parts

Regarding a more effective fire front, I have a hard time believing that this can actually be felt. Although it is possible to experiment with half of the classic candles and half of the multi-electrode ones, I don’t feel any particular interest in this topic. But it is quite difficult to find a definitely successful needle design of candles in the catalog. This is what I'm talking about: The main thing is not to look at the price. This design is only effective in platinum or iridium, since such a thin needle will melt very quickly when using softer metals.

Here, in the photo above, is a classic 17LDHV that was lying in my room 1. The spark plug was never inserted into the engine at all, and at the same time the coating on the side electrode fell off, and the central electrode began to corrode.

The reason may be a malfunction of the air damper drive mechanism or injector, or a clogged air filter. In general, this indicates a failure in the engine management system. A light gray or white color of the electrode means it is overheated, which ultimately leads to burnout of the exhaust valves.

You may have selected the wrong spark plugs or are using fuel with too low an octane rating. The engine is healthy - so are the spark plugs. The red skirt of the central electrode is the result of using an excessively large volume of additives containing metal in gasoline. Metal deposits during prolonged use of such fuel can form a conductive coating on the insulation, causing the spark plugs to fail.

This means that it got from the engine into the cylinder. The reasons are incorrect selection of spark plugs, wear of valve guides, valve stem seals or piston rings. As a result, the Chevrolet Niva consumes much more oil than usual. If on the central electrode and its skirt you find a dense layer of oil with particles of cylinder destruction and drops of unburnt fuel, it means that one of the valves is damaged or the partition between the piston rings is broken.

Replacing spark plugs on a car using the example of a Chevrolet Niva

As a result, engine power weakens and fuel consumption doubles. In this case, a full-scale renovation is necessary.

A completely destroyed central electrode and its skirt are the result of using defective spark plugs, long-term engine operation with detonation, or the use of low-octane fuel. The cylinder head will require major repairs. Ash deposits on the electrode indicate the wear and tear of the oil scraper piston rings, and the destruction of the ceramic insulator indicates a faulty spark plug or its mechanical damage.

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Replacing spark plugs in Niva Chevrolet

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Home » New » Selecting spark plugs for Chevrolet Niva 2123

What are the best spark plugs for Chevrolet Niva

Replacing spark plugs for Chevrolet Niva

Replacing spark plugs in Niva Chevrolet

Looks like a working candle. BUT one nuance! Be careful.

Replacing spark plugs on a car using the example of a Chevrolet Niva

Which spark plugs are better

Testing spark plugs on a bench.

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Home » Hits » What are the best spark plugs for Chevrolet Niva

What are the best spark plugs for Chevrolet Niva

Replacing spark plugs for Chevrolet Niva

Replacing spark plugs in Niva Chevrolet

Which spark plugs are better

Looks like a working candle. BUT one nuance! Be careful.

Testing spark plugs on a bench.

Replacing spark plugs on a car using the example of a Chevrolet Niva

Spark plug. Right choice

NEW Spark plugs DO NOT MEAN READY for Installation! Check the gaps!

NGK spark plugs reviews

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Home » Choice » What are the best spark plugs for Chevrolet Niva

Which spark plugs are best for an injector Niva Chevrolet?

Replacing spark plugs in Niva Chevrolet

Which spark plugs are better

NGK spark plugs reviews

NEW Spark plugs DO NOT MEAN READY for Installation! Check the gaps!

Spark plug. Spark plugs for gas, NGK spark plugs. Review avtozvuk.ua

The gap on the spark plugs, what it should be, how to install

Useful advice from an auto electrician. Check the gap in the spark plugs.

Restoration of Niva Chevrolet. Part 2 - starting the engine, spark plugs, first drive, washing the engine

Late ignition on an injection Niva

When to change spark plugs?

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Home » Choice » Which spark plugs are better to install on a Chevrolet Niva injector