Which spark plugs are better for VAZ 212140 injector

Spark plugs NGK for Niva 21214

The 1.7 liter injection engine with an electronic control system (ECM) of the Niva 21214 allows the installation of some models of NGK spark plugs.

We select NGK spark plugs for the 1.7 liter injection engine of the Niva 21214 car

B PR6ES-11 4824

Copper center electrode, one side electrode, noise suppression resistor.

The gap between the electrodes is 1.1 mm

BPR6EGP-11 7084

Central electrode with platinum soldering. One side electrode. Noise suppression resistor.

The gap between the electrodes is 1.1 mm

BPR6E V-Line #13 5339

Copper center electrode with V-shaped cutout. One side electrode. Noise suppression resistor.

The gap between the electrodes is 1.1 mm

BPR6EIX-11 3903

Thin (0.6 mm) central electrode with iridium soldering. One side electrode. Noise suppression resistor.

The gap between the electrodes is 1.1 mm

Notes and additions

— You can independently select NGK spark plugs for your car’s engine in the catalog on the official website of this manufacturer: www.ngk.de/nc/ru/podbor-produkcii/

— You can understand what the NGK spark plug markings mean by reading the article: “Decoding the NGK spark plug markings.”

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What do candles do?

As you know, a spark plug supplies a spark to the cylinder to ignite the fuel inside the combustion chamber. The spark plug is exposed to enormous temperatures, which of course does not have a favorable effect on its condition, so neglecting to replace spark plugs is highly discouraged and, if possible, it is advisable to change them before winter for easier starting in cold weather.

A worn-out spark plug can cause a lot of trouble, such as a lot of engine tripping, a number of misfires, loss of power and even an increase in fuel consumption.

In this article you will find the answer to the question of which spark plugs are best suitable for the Lada Niva.

Spark plug gap on Niva

The gap between the electrodes on the spark plugs is one of the main indicators that directly affects the operation of this engine part. It must be checked every 20-25 thousand km to ensure proper engine operation. The gap can be adjusted if it is out of the normal range or it is better to replace the spark plugs with new ones.

The normal gap on Niva spark plugs is 1.1-1.2 mm.

Niva's original spark plugs

The Niva is supplied from the factory with domestic spark plugs from the Engel plant, which specializes in the production of automotive spark plugs. The plant installs AU17DVRM brand spark plugs; these plugs have proven themselves well and meet all quality standards and service life.

A large number of analogues of these spark plugs have appeared on the market, which are no worse than factory ones, and sometimes even better. Analogues of candles can be both imported and domestic.

Below is a table of spark plugs suitable for a Niva car from well-known brands such as DENSO, BOSCH and Brisk.

Let's sum it up

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

1. DENSO IW20 – maximum iridium;
2. BOSCH WR78X – 4 electrodes;
3. NGK (see above) – high resource;
4. GM WR8DCX+ is a “winter/summer” option that performs better in winter than A17;
5. 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.

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The best candles for Niva

Based on reviews from forums, it has been repeatedly revealed that Nivovody gives their preference to NGK candles. These spark plugs are excellent for the Niva engine and can withstand high temperature loads. NGK spark plugs make it easier to start the engine in cold weather and even reduce fuel consumption due to their structure. The closest to standard spark plugs and suitable in design to the Niva engine will be NGK No. 11 spark plugs.

These spark plugs easily overcome the 30,000 km barrier without any damage.

Spark plugs for injection Niva 21214

For stable operation of the Niva 2121, 21213, 21214 injection and carburetor engines, it is necessary to change the spark plugs on time, since they are an integral important part of the engine that ignite the combustible mixture.

• The engine starts with difficulty, the starter turns for a long time.
• The engine jerks and stalls
• Power decreases
• Engine speed fluctuates
• Fuel consumption increases

• Denso Iridium Power.
• Bosch platinum
• BERU Ultra X
• BERU Ultra X Platin
• BERU UXT6
• DENSO W20TT
• Finwhale 510
• A17DVR analogue from NGK BPR6ES
• A 17 DVRM analogue from NGK BPR6ES-1

There are more positive reviews, of course, in the more expensive price category, as well as with platinum or iridium rods , which exceed the service life of simple ones by 70-80%, and need to be changed not after 20 but after 100 thousand km. which increases service life by 5 times.

How to set the spark plug gap in the field:

For carburetor Niva 2121 this gap is - 0.9 mm For injector 21214 - 1.11 mm

Insert a feeler gauge of the required size into the spark plug and tap it with a hammer if the gap is large, or lift it with pliers if it is small.

• The next step is cleaning, clear the wells of debris so that nothing gets into the block.
• We unscrew the old spark plugs, counterclockwise; if they are stuck, use Wd40 and repeat after 15 minutes.
• We install new spark plugs with the correct gap in the engine.

• If there is black soot deposits on the core, this means that the fuel you are using is of poor quality, or oil is getting into the combustion chamber, this may be due to worn piston rings, valve guides, oil seals.
• If soot covers the core together with the body, this indicates a disruption in the supply of the fuel-air mixture, we recommend checking the carburetor settings and changing the air filter.
• If the core is white, the ignition adjustment is incorrect.
• A melted core is the reason for the overheating of the car, so if your Niva is boiling over a couple of times, we recommend checking the spark plugs and paying attention to whether the engine is behaving differently, this happens, of course, extremely rarely, but forewarned is forearmed.

Service

To keep the spark plugs in good working order for as long as possible, service them every 10,000 thousand km, clean them with a brush and adjust the gap if necessary.

Spark plugs NGK for Niva 21214

The 1.7 liter injection engine with an electronic control system (ECM) of the Niva 21214 allows the installation of some models of NGK spark plugs.

B PR6ES-11 4824

Copper center electrode, one side electrode, noise suppression resistor.

The gap between the electrodes is 1.1 mm

BPR6EGP-11 7084

Central electrode with platinum soldering. One side electrode. Noise suppression resistor.

Engine diagnostics based on spark plug condition

Checking your spark plugs can help you identify some engine problems without having to visit a specialist service center.

Particular attention should be paid to the appearance and color of soot. The spark plug is in normal condition and does not need to be replaced.

moderate burnout of the electrode, complete absence of oil stains, as well as a minimal amount of soot and golden-coffee deposits on the insulator. At the same time, the Chevrolet Niva does not require constant refueling and does not frighten the owner with a fierce appetite.

If you find soot and dry soot on the center electrode, chances are your vehicle is using a lot more fuel than you'd like. The cause may be a malfunction of the air damper or injector drive mechanism, or a clogged air filter. In general, this indicates a failure in the engine management system.

The motor is fine. spark plugs are also working properly

Red skirt of the central electrode. the result of using excessive amounts of metal additives in gasoline. With prolonged use of such fuel, metal deposits can form a conductive coating on the insulation, which will lead to failure of the spark plugs.

Found traces of oil? So, it moved from the engine to the cylinder. Causes. incorrect selection of spark plugs, worn valve guides, valve seals or piston rings. As a result, the Chevrolet Niva consumes much more oil than usual.

If you find a thick layer of oil on the central electrode and its skirt with particles of cylinder destruction and drops of unburned fuel, it means that one of the valves is damaged or the partition between the piston rings is broken. As a result, engine power is reduced and fuel consumption doubles. In this case, a complete repair is required.

Ash deposits on the electrode indicate the development or appearance of oil scraper piston rings, and the destruction of the ceramic insulator indicates a defective spark plug or its mechanical damage. Erosion of the electrodes occurs when using leaded gasoline, and filling of spark plugs when the fuel ignites occurs when the ignition system or injector fails.

Chevrolet Niva injector spark plugs, which ones are better to install and how to replace them

The modern automotive market offers a huge number of options for spare parts and consumables. Not every experienced motorist is able to immediately understand which spark plugs are best for the Niva Chevrolet. In order not to make a mistake with your choice, it is recommended to familiarize yourself with the advice of experts.

Main selection criteria

It’s worth noting right away that not a single manufacturer has yet created a spark plug option that will fit any engine. Each motor has its own model. This must be taken into account if the time has come to change them. When selecting the optimal option, two most important selection criteria should be taken into account:

1. Heat number is the temperature value for efficient operation. The higher this indicator, the colder the part remains during the operation of the car. This parameter demonstrates the ability to operate effectively in the most unfavorable environment - at high temperatures. The lower this indicator, the more often the part will overheat. This significantly reduces its service life.
2. Geometric size - different brands and models of cars use a certain type of spark plug, which has its own thread length, number of electrodes, and size of the spark plug key.

Expert recommendations

Niva Chevrolet injector with VAZ-2123 engine are equipped with A17DVRM spark plugs. This plant, despite the fact that it is located in Russia, belongs to Bosch. These German manufacturers have proven themselves well in the market.

It is important to consider some differences when choosing a SZ:

• EZ A17DVRM consists of Russian-made parts;
• APS A17DVRM consist of German-made parts.

To avoid confusion, you should always look closely at the markings. Speaking about the second option, one must also take into account the fact that APS A17DVRM are manufactured using advanced technologies. Among other things, they are distinguished by better processing of the electrodes, and therefore you can avoid problems with a running spark, which is typical for defective devices.

When choosing suitable products, you need to follow some rules:

1. DENSO IW20 and NGK devices contain a sufficient amount of iridium, which has a beneficial effect on engine life.
2. BOSCH WR78X parts accommodate four electrodes.
3. GM WR8DCX are suitable for use in winter and summer. They are preferable to the aforementioned A17.

Spark plugs for Chevrolet Niva and Niva

The topic of this review is Chevrolet Niva and Niva spark plugs, using the example of the German manufacturer Bosch. There are similar lines from other manufacturers, but since I am currently working with this manufacturer, I will tell you using the example of its products.

spark plugs for the Niva family

1. Spark plugs for carburetor cars. The factory gap between the electrodes is 0.7 mm. I will not describe all the marketing gimmicks that the manufacturer writes, just high-quality spark plugs that maintain their required engine hours. Frequently asked question: the contact ignition system has been replaced. A distributor with a hall sensor, a switch and a coil from 2108 are installed. What spark plugs should I use? I experimented with this issue several times. I decided for myself: regular carburetor spark plugs with a slightly increased gap, literally by 0.1-0.2 mm. Produced in Germany.
2. Spark plugs recommended by the manufacturer for 8 valve injectors, including for the Niva-Shniva family. The established gap between the electrodes is 1.1 mm. In the case of these candles, it would be fairer to say “workhorse”. Nothing outstanding, but they work until either diesel fuel is poured into the tank, or the gap increases to 1.5 mm. Bosch located the production of these candles in Russia, which, unlike other manufacturers, had a very positive effect on the price.
3. A spark plug with a central electrode coated with platinum. Named . I’ll dispel the common myth that you install “platinum” or “iridium” spark plugs and the horn will fly like an airplane. The main advantage of these candles is their RESOURCE. When you install ordinary spark plugs, after 10-15 thousand the gap between the electrodes “goes away” due to the “knocking out” of the central electrode by a spark. According to my observations, with good gasoline, “platinum” spark plugs, without deteriorating their parameters, have a resource of more than 50 thousand km. Produced in Germany.
4. Multi-contact spark plugs. In this case, four-pin. For a long time I could not clearly explain to clients what the “raisin” of the issue was. I will not repeat the nonsense that is said in stores and markets. The answer came when a batch of candles was sent to Yakutsk, to the same “junior-experimenter” like myself. 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. This has led to some of my clients installing "seasonal" candles on their cars. In summer they are ordinary, in winter they are multi-contact. Candles are made in Germany.

How to choose the right spark plugs for a car

Depending on the degree of engine boost, it is necessary to correctly select the potassium number. Otherwise, the combustion chamber will not reach the required temperature for self-cleaning of the spark plugs, and their service life will be reduced several times. Each car manual indicates this parameter, regardless of the brand of car VAZ, Niva Chevrolet, etc., or the injection system, injector or carburetor. It may also indicate imported analogues.

For units with a volume of more than 1500 cm3. It is better to purchase multi-electrode spark plugs. During their operation, a spark will be consistently generated, and complete and uniform ignition of the fuel mixture will occur. A central conductor made of iridium or platinum solders reduces the load on the ignition coil or distributor and optimizes fuel combustion. But such spark plugs cost 4–5 times more, but their service life is about 65,000 km.

Properly selected spark plugs will ensure stable and high-quality engine operation. In addition, there will be no excessive consumption of fuel and the formation of carbon deposits on the electrodes, which inevitably leads to a decrease in the service life of the spark plugs.

What spark plugs to put on a Chevrolet Niva

No one has yet invented standard SZ that are suitable for absolutely all cars, so it is clear that on a Chevrolet Niva you will have to select devices based on two indicators:

• heat number;
• geometric size.

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. 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. When choosing, it is best to use the instructions from the car, which will tell you which spark plugs to install in the Chevrolet Niva. In addition, knowing the exact size, you can choose the best heat rating (video author - VanLe9).

Chevrolet Niva standard flip key

The central electrode must have a clear cylindrical shape and its surface must be absolutely smooth.

Spark plugs covered with this coating must be replaced, and then change the place of refueling with gasoline. Now on the shelves there is a huge selection of candles from almost all foreign manufacturers. I also discarded multi-electrode spark plugs quite quickly, since in general they are less “tenacious” at high pressure, and the central electrode can be heavily recessed into the insulator, like Bosch’s.

A brick-red coating indicates the presence of an excessive amount of anti-knock iron-containing ferrocene additives in gasoline. This means that work can also be done in unfavorable environments where the temperature is elevated. When choosing, it is best to use the instructions from the car, which will tell you which spark plugs to install in the Chevrolet Niva.

By the way, for Shniva, a pressure of up to 8 atm is critical; it is at this mark that the risk of rejection was made on the apparatus of Soviet times.

Everything above is important for highly boosted ones and they are not picky about spark plugs, or about fuel, or about oil... but they also don’t go crazy: As for refractory metals, the issue was closed quite quickly, and its price was closed.

Tools:

Yes, good spark plugs can last 50-kilometers, but I was simply not ready to give that kind of money, although there is a definite meaning, if you believe ZaRulem’s publications. Modification of the classic candle from Dudyshev. Good, but the quality of processing is not high.

I also discarded multi-electrode spark plugs quite quickly, since in general they are less “tenacious” at high pressure, and the central electrode can be heavily recessed into the insulator, like Bosch’s. But there is little point in them - anyway, it is the central electrode that wears out, and not the side ones. Regarding a more effective fire front, I have a hard time believing that this can actually be felt.

If the insulators have cracks, threads or electrodes are damaged, the spark plugs must be replaced. Light brown carbon deposits, which evenly cover the thermal cone of the spark plug insulator with a thin layer, do not affect the operation of the ignition system and do not need to be cleaned off. The absence of carbon deposits on the spark plug indicates either that the engine is running on a lean mixture, or that the spark plug brand does not match the engine type.

A shiny black deposit indicates oil has entered the engine cylinder. Such a candle must be cleaned.

A brick-red coating indicates the presence of an excessive amount of anti-knock iron-containing ferrocene additives in gasoline. Such deposits are practically impossible to remove and are electrically conductive, which leads to missed sparking.

Spark plugs covered with this coating must be replaced, and then change the place of refueling with gasoline. Check the gap between the spark plug electrodes. The gap should be 1.00-1.15 mm.

Check the gap only with a round feeler gauge. Over time, a notch appears on the side electrode as a result of erosion, and checking the gap with a flat feeler gauge will not give the correct result.

DIY replacement instructions

To dismantle, first of all you will need a special key for removing the SZ. First you need to remove the ends of the wires from the spark plugs and clean all contacts from dust. The entire spark plug and the area around it must be thoroughly cleaned to prevent debris from getting into the cylinder.

Next, you need to remove the devices with a key and visually diagnose them for damage. You need to inspect both the electrodes and the threads. If there is noticeable darkening on the NW, it’s okay, but if there is no brownish coating, you should be alarmed. If black plaque is found, it must be removed. It indicates that engine oil has entered the engine cylinder.

When replacing, be sure to check the gap on the new SZ

If it doesn't quite fit, you can carefully bend the electrode on the side. This is a rather risky method, because you need to be as careful as possible and not damage the central electrode

Otherwise, the SZ will fail. After preparing the socket for the SZ, you need to insert it and tighten it with your fingers, and then tighten it with a wrench. Be careful here, otherwise the thread may break.

Niva Chevrolet

Replacing spark plugs in a Niva Chevrolet is fully covered in a video from the Garazhnik channel.

To carry out diagnostics, you will need a special wrench for turning it out. Please note that it is better to inspect the spark plugs after the engine has been running for a long time, for example, after a long trip on a country highway.

If you have never replaced this small but important part in a Chevy Niva before, follow these simple tips

A spark plug that produces the right spark

• 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!

Signs that you need to replace spark plugs on a Chevrolet Niva:

• The power unit starts with difficulty. Long cranking of the starter is required;
• The feeling that the engine is not working at full strength;
• The characteristic sound of an engine running on three cylinders;
• Increased fuel consumption;
• Low power.

Spark plugs NIVA

1:976
How will the characteristics of spark plugs change after long-term operation in real conditions? The problem is that you can’t do it with just extrapolation: you need to torture them for at least 30 thousand km. And this is long, expensive and very tedious: for each set of spark plugs, at least a month and a half of bench testing of the engine! And yet, identical engine stands were prepared.

We decided to take spark plugs designed for the majority of eight-valve engines we use: a “large” hexagon (size 21) and with a conventional heat rating of 17. But we tried to take a variety of designs. But the price was limited: no more than 800 rubles per set. After all, launching iridium favorites with elegant thin electrodes on such a “run” is like bringing Real Madrid and a team from our second football league together...

We used ordinary single-electrode spark plugs as a base: European WEEN 370 and Japanese NGK BPR6ES-11. They were accompanied by three-electrode EZ-T17DVRM from Engels. The cheapest option with yttrium electrodes played for refractory materials and alloys: the Czech Brisk A-line LR15YCY-1.

The platinum position was defended by the Bosch Platinum WR7DPX with a thin central electrode. And finally, DENSO W20TT with original side and central electrodes made of chromium-nickel alloy. Special protrusions are pressed onto them, organizing the spark gap - this is an attempt to realize the advantages of thin-electrode spark plugs without any precious metals.

We remind you: we compare designs, not brands!

The thin platinum central electrode Bosch Platinum WR7DPX is completely recessed into the insulator. For European operating conditions this is probably good, but in our test on domestic engines and gasoline, this design somewhat reduced the life of the spark plug.

The test methodology is obvious. First, all the kits were sequentially installed in the same test engine - a VAZ eight-valve injection engine. We carried out a standard test cycle and received a starting base. In relation to it, the deterioration of engine performance was subsequently monitored as the spark plugs aged.

The underlying numbers contain no surprises. Simple single-electrodes performed smoothly: the differences only slightly went beyond the measurement limits. But the three-electrode EZ-T17DVRM, thin-electrode Bosch Platinum WR7DPX, and DENSO W20TT gave a noticeable improvement in both engine power and efficiency. Although, of course, an intentional 2-3% improvement will give a visible effect on the wallet only during long runs, when gasoline consumption is calculated not in cans, but in barrels. But this is precisely what we initially wanted to clarify.

Our neighbors in the workshop, of course, cursed us: we really annoyed them with the roar of our stands. From seven in the morning until nine in the evening - three months, three stands... However, everything ends someday: the engines are stopped, the spark plugs are unscrewed. The electrodes and insulators are blackened, covered with deposits, and traces of metal erosion are visible in some places.

But even ordinary single-electrode sets, which we took as a base, passed all the rounds with honor. I didn’t have to change a single spark plug during the race: here you have a loaded test cycle on domestic gasoline. This means that the resource declared today by almost all manufacturers of even the simplest candles is at least 30 thousand.

km of run is not just a marketing ploy.

DENSO W20TT: a proprietary solution for stabilizing and intensifying the discharge, without the use of precious metals. And, as our test showed, it works!

How much did the performance parameters deteriorate as a result? Let's see... To do this, we installed life-beaten kits into the control motor - the same one on which the initial cycle of comparative tests was carried out - and repeated the measurements. The results obtained were compared with the initial data. Now you can safely compare the numbers.

The basic sets of spark plugs remained functional, but significantly reduced engine performance. Consumption increased by about 6%, CO and CH toxicity jumped by 8–10%. Why? Because under pressure, misfiring began to appear, and these are misfiring! And the motor controller, having caught excess oxygen in the exhaust pipe, enriched the mixture. Hence the extra consumption and high toxicity. The decrease in parameters for the Brisk A-line was less than for the basic candles, but also noticeable.

The pre-supposed leader of the test, the “platinum” Bosch, performed better, but the shape of the central electrode, completely recessed into the insulator, played a clearly negative role. We already noted this at one time when we tested spark plugs on gasoline with metal-containing additives. The explanation is simple: a spark from a thin-electrode spark plug with a conventional central electrode extended from the insulator seems to lick its tip, cleaning it from carbon deposits and deposits.

But the Bosch Platinum spark plug is deprived of this advantage: as a result, the set lost the palm to the domestic three-electrode EZ-T17DVRM and the Japanese DENSO W20TT. These kits gave a deterioration in performance in all respects, but it only slightly exceeded the limits of measurement error. So for them, 30 thousand km is just the prime of life! Unless, of course, you come across a gas station along the way with particularly vile gasoline that can kill anything.

And one more thing: as usual, we conducted a test cycle, which we call emergency. The standard generator is disconnected from the engine, an “empty” battery is installed, and the on-board network is powered from a laboratory current source. This allows you to track the reaction of the spark plugs to a decrease in voltage in the on-board network. This is where the differences between the kits - both new and used - became clearest. And again, the leaders are products declared to be especially long-lasting - DENSO W20TT, Bosch Platinum and our multi-electrodes. Photos show what the candles looked like after testing. The participants of the “run” are arranged alphabetically.

In conclusion, a little arithmetic. Over 30 thousand km, the average VAZ consumes about 2500 liters of fuel, taking approximately 65 thousand rubles from the budget. If we take into account the average increase in consumption, then, taking into account the initial differences, the savings from the use of long-lasting candles will amount to a couple of thousand re. Consider the usefulness of a real increase in power and reduction in emissions for yourself.

What is good for the 1.6 engine?

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

1. BOSCH Platinum WR7DPX
2. "EZ" T17DVRM 1.0 (3 electrodes)
3. NGK BPR6ES-11
4. DENSO W20EPR-U11
5. Ween 121-1370/KMR6C11
6. BERU 14R-7DUX
7. BRISK Super LR15YC
8. Hola BH7CR11
9. "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.