Spark plugs for UAZ Patriot for 409 Euro 4 engine - selection and replacement

The performance of spark plugs depends on high-quality fuel

Gap of spark plugs on 4th generation gas engines
There are a large number of modifications of power units for the Russian most popular UAZ Patriot. The manufacturer produces different engines that comply with Euro 4 standards. There is no classical production technology, so it turns out that there are no identical models. Each individual company improves the “product” it produces as it sees fit.

If you are faced with a situation where the spark plugs have worn out and it’s time to change them, don’t get lost, everything is quite easy if you have the right information and choose the right spark plugs, because the performance of an SUV engine depends on quality parts. Of course, you can take advice from a specialized store, but no one knows the car better than you.

Every UAZ Patriot, without exception, powered by a 409 engine, has the following characteristic features in the system:

• Multiprocessor injection.
• Work on gasoline.
• 4th cylinder.

The car's instructions separately talk about the power unit, and some recommendations from the manufacturer are indicated on it. The optimal fuel for an SUV is Euro 4 gasoline. This fuel allows the mechanism to operate correctly and for a long time. Naturally recommended fuel is the best for the engine, but it is not the only one. Of course, you can fill the Patriot’s tank with other gasoline, but the most important thing in this matter is quality. Bad fuel will lead to failure of the spark plugs and disrupt the smooth operation of the fuel system as a whole; the car owner must always remember this, otherwise the engine will break down.

What changes will happen if you fill the UAZ tank with another fuel:

• The spark plugs will become more dirty and burn out accordingly.
• The car will accelerate much more slowly.
• • When accelerating, a knocking sound will appear, which is completely absent during normal operation of the fuel system. Use the correct fuel for your car's engine; this is a basic requirement for every owner, otherwise you will need regular replacements.

Spark plugs for UAZ from trusted manufacturers

How spark plug gap affects engine performance

The list of candles that are ideal for the UAZ Patriot consists of 5-7 options. The most popular brands producing products: Bugaets, candles from Denso and Bosch deserve a lot of attention, candles from NGK and Brisk would be an excellent option, and don’t forget about Finwhale.

Here is a brief description of spark plugs for UAZ Patriot from some of the above-listed manufacturers:

• Products BOSCH Platinum Plus FR7DPX. Their quality is average, but their service life is quite long. Using such spark plugs, you will definitely notice good engine power. The downside is the difficult start of the power unit.
• Budget model Brisk DR17YC. These products are enough for approximately 3 thousand kilometers. It should be noted that there is some instability during operation.
• For smooth operation of the “engine” of the AU 17 DVRM. At 800-5000 rpm there is no twitching or delay. There is noticeable throttle response, plus low-end stability, plus good power from the power plant.
• Another option is NGK BCPR6E. The price is no more than 550 rubles. Such candles perform well at the initial working stage.

The compiled rating of spark plugs for UAZ was selected taking into account the low cost, which is good news, and moderate performance during active use.

Current solutions from well-known manufacturers

The list of models that are suitable for Euro 4 engines includes about 5-7 of the most optimal options. What brands produce products for the UAZ Patriot? Brisk, Finwhale, NGK, Bosch, Denso, Bugaets. Good solutions for your UAZ Patriot and their brief description:

• Brisk DR17YC is one of the budget models. During operation, slight instability is noticeable, enough for 3000 km.
• NGK BCPR6E is an option that performs well in the initial stages. Price up to 550 rubles.
• BOSCH Platinum Plus FR7DPX are moderate quality candles that last for a long period. Good engine power is noted. The only negative is the difficulty of starting the engine.
• AU 17 DVRM is a configuration that is enough for at least 4,500 km. Spark plugs are used on 16-valve front-wheel drive VAZs. The engine runs great. There are no delays or twitches in the range of 800-5000 rpm. Optimal engine power, stability and throttle response at the bottom are noted.

The products were selected taking into account low cost and moderate performance indicators.

How to choose the right spark plugs for a Patriot engine

We find out what gap should be on the spark plugs of the injection VAZ 2114

How stable and stable the engine operates depends entirely on the state the spark plugs are in. Also, the serviceability of spark plugs directly affects fuel economy, the power of the power unit, its so-called starting properties, and much more.

It is important to choose spark plugs, given that the car has a 409 engine. Let us remind you that high-quality products consist of alloys of platinum and another metal - iridium

The use of these modern materials allows us to produce very reliable structures. These spark plugs are therefore not cheap, but every driver will understand that they quickly pay for themselves. Their objective service life ranges from 60 thousand km or more.

Another equally bad option is also modern plasma-prechamber products. They have the following advantages:

• Long service life.
• Thanks to the correct shape, there is no need to adjust the gap.
• The self-cleaning process is much better.

When choosing the most suitable configuration, take into account, among other things, the material from which the candles themselves are made, the country of manufacture, plus pay attention to the length of the selected model, its gap shape and thread. For the domestic UAZ Patriot, spark plugs with the following parameters are ideal:

For the domestic UAZ Patriot, spark plugs with the following parameters are ideal:

• There is a built-in resistor.
• Length from 19mm.
• Thread dimensions must be M14x1.25.
• The gap for a spark with these characteristics is 0.7-0.85mm.

For the motor we are considering, A 14 DVR sections are perfect, you can also use analogues. Why are they best suited for the UAZ Patriot? Let us next consider the decoding of the product.

• “A” is the thread pitch, diameter. In our case it means M14×1.25. This design can be mounted to different sizes.
• “14” is a capital number, so to speak. An extremely important parameter that helps determine the temperature characteristics of the spark plugs.
• “D” - this parameter determines the length of the thread, which in our example is 19mm.
• “B” is the parameter of the insulator thermal cone protrusion. This equally important indicator is responsible for how quickly the spark plugs warm up after starting the engine.
• “P” - there is a built-in resistor. It is necessary in order to reduce the level of interference present for the electronic control unit of the power unit and radio equipment.

Selection of spark plugs for the UAZ Patriot ZMZ 409 engine

From the factory, a UAZ Patriot with a 409 engine is equipped with Brisk dr17yc spark plugs; they can last 20,000 km without any problems, but only on the condition that the gasoline must be of high quality. Finding high-quality gasoline is now difficult, no matter what “branded” gas station it is, at almost any of them it is diluted with various additives or foreign liquids. If the spark plugs fail earlier than expected, it may not be your fault, but you will still have to change them.

Gasoline is important!

But, besides this, it is extremely important to fill in gasoline with the correct octane number - for ZMZ 409 this number is 92. If you use other gasoline, the spark plugs will burn out, and detonation may occur

Each type of gasoline is divided into classes, there are only four of them. In order to avoid having to search for spark plugs on your UAZ Patriot once again, always fill in 92 gasoline with class 4 or 5. Class 5 fuel has the lowest sulfur content - only 10 mg/kg.

Device

Candles directly affect:

• traction (power);
• fuel efficiency;
• stable engine starting, especially in the cold season.

As mentioned earlier, there are a lot of spark plugs on sale for the UAZ Patriot with the 409 engine, and it’s not immediately clear which ones to choose. After all, not all of them are of high quality. And here it’s not even about the brand, but about the design features. The fact is that there are several types of candles, they all differ in cost:

1. iridium;
2. platinum;
3. silver;
4. yttrium.

The best performance is achieved by spark plugs made from iridium and platinum alloys. They are not cheap, but they should last 60–70 thousand km. Among other things, the durability of the spark plug is affected by the shape of the electrode and their number. In this regard, the best option would be the so-called plasma-prechamber spark plugs, in which the role of the side electrode is performed directly by the body of the product, so there will be no need to adjust the gap.

Options

In order to choose the right spark plugs, you need to take into account a number of other parameters:

• thread pitch and length;
• gap between electrodes;
• heat number;
• total length of the product;
• presence of a built-in resistor to suppress interference.

Therefore, for the UAZ Patriot you need to select spark plugs with the following parameters:

• the thread must be M14x1.25 with a length of at least 19 mm, the product must have hexagon edges of 16 or 21 mm;
• the gap to create a spark should vary 0.7-0.85 mm, in extreme cases a gap of up to 1 mm is allowed;
• heat number 17;
• there is a built-in resistor.

Examples

Here are specific models of spark plugs that are guaranteed to fit a UAZ Patriot with a ZMZ 409 engine: BRISK DR17YC (factory), AU17DVRM, NGK BKR5E, BOSCH PLATINUM PLUS FR7DPX, DENSO IRIDIUM IQ, NGK BCPR5ES, Bosch FR8DC+.

Judging by the reviews, AU17DVRM produced in Engels work no worse than BOSCH PLATINUM and DENSO IRIDIUM. And this despite the fact that their cost is about 70 rubles. a piece! But in terms of durability, they lose, their service life is 10–15 thousand. The quality of BRISK DR17YC is approximately at the same level. These are the best inexpensive models. They also praise the Bosch FR8DC+, which is produced in Engels, as well as the AU17DVRM.

But DENSO IRIDIUM IQ, oddly enough, is not liked by everyone. Judging by the reviews, after 3000 rpm. the engine does not move, it is “stupid”, although the traction at the bottom and idling are very good. BOSCH PLATINUM also has a controversial reputation among Patriot owners; there are complaints about unstable idling and difficulty starting the engine after a certain mileage. There are no complaints about the briscoes and njk.

Spark plugs for UAZ Patriot 409 engine

One of the main leaders among SUVs in the Russian Federation is undoubtedly the UAZ Patriot. The manufacturer of this car decided that the best option would be a 409 engine, fully compliant with Euro 4, and this is really an excellent and, perhaps, the right solution for such a car. Power units used in European countries by well-known automobile brands have begun to actively gain relevance in the Russian market and CIS countries.

The engine, as many people know, works thanks to an important element - it’s not difficult to guess, spark plugs

The equipment coming from the factory will work without any problems until the odometer shows a mark exceeding 20 thousand. km of run, but only under this condition - the fuel used for the car must certainly be of high quality, or the part will deform very quickly. Drivers know very well that it is now extremely difficult to find really high-quality gasoline and diesel fuel. Many Russian gas stations dilute fuel. In such conditions, spark plugs work with great difficulty and can quickly fail, and this is absolutely no fault of the car owner.

Malfunctions and repairs

No special malfunctions or problems due to engine operation were noticed. On some vehicle models, it was noticed that injectors quickly failed. This problem can be easily resolved by replacing all injected elements. The timing chain can last about 200 thousand km, but it happens that it doesn’t last even 100 thousand km, depending on your luck.

A major overhaul of the engine should be carried out after 250,000 km, but with proper operation and maintenance, it may happen that the engine will withstand 300,000 km.

Specifications

The ZMZ 409 Euro 4 engine has improved technical characteristics compared to its older brother. Thus, the power unit, due to the fact that it was designed on the basis of the 409, received high technical characteristics and endurance.

In addition to the Euro 4 standard, there are a number of modifications that are worth considering:

1. ZMZ 409.10 is the main motor, meets the Euro-2 environmental standard. Power 143 hp
2. ZMZ 40904.10 - analogue of 409.10 with a new CPG, new gaskets, DBP, complies with the Euro-3 environmental standard. Power 128 hp Installed on Patriot, Hunter, Pickup, Cargo.
3. ZMZ 40905.10 - analogue of 40904.10, compliance with the Euro-4 environmental standard. Power 128 hp Installed on Patriot, Hunter, Pickup, Cargo.
4. ZMZ 4091.10 - derated low-end version of ZMZ 40904.10, another receiver, camshafts (lift 8, phase 240), firmware, complies with Euro-3 environmental standard. Used on UAZ loaves. Power 112 hp
5. ZMZ 4092.10 is a non-serial motor. Power 160 hp Used on the Volga.

Recommendations for replacement

Installing a fresh spare part in this case is a fairly simple process if you do everything sequentially according to the instructions. Unfortunately, if one spark plug “flies”, it is strongly recommended to replace all the others too, so that the 409 engine of your UAZ Patriot works evenly and does not spoil the Euro 4 exhaust system. So what needs to be done:

• dismantle the tip with the seal that is connected to the ignition module;
• carefully, without jerking, using a spark plug wrench, unscrew the product until it is completely removed from the cylinder;
• If the product shows any traces of damage (chips, cracks), breakdown of the insulator and other defects, such an element should be replaced.

During a visual inspection, be sure to pay attention to the presence or absence of carbon deposits in the working area of ​​the product. You can tell a lot about how the engine was running based on the color of the plaque.

If the coating is black, then this indicates an over-enriched mixture in the cylinder (or “burning” of oil); a white tint, on the contrary, indicates a lean mixture. Red carbon deposits are a sign of poor fuel (with additives). A light light brown soot is considered normal, which means the engine is working as it should.

Hello everyone! Reminder post on candles.

Engine ZMZ 409 EURO4 UAZ Patriot 2014. Spark plug parameters. Thread: M14x1.25 Thread length: 19 mm Key: 16 mm Heating number: 17 Gap: 0.9 Noise suppressor: 5 kOhm resistor

Candle options:Stock version Brisk DR17YCNGK: V-line 35, BKR5E, BKR5EXI, BKR5EY

I installed BKR5EY. Before that there were some BKR6E. In general, the condition of the spark plugs is normal, but the 2nd cylinder is black soot. Treble was also observed. The threesome started hot. Judging by the disconnection of the coils, the 2nd cylinder was damaged. Swapping the coils did not lead to the transfer of friction to another cylinder. Therefore the candles are to blame. There is, however, a valve knock, but it goes away after re-gasping. It’s not entirely clear on which cylinder, but the sound is somewhere in the region of the 2nd or 3rd cylinders. I also noticed that oil was leaking into the intake tract and the valve on the cover was leaking. At the same time, it resets the DBP. Because of this, the amount of air floats. I wiped it, blew it - the readings stabilized within half a liter, before this the range was up to 2.5 liters. I'll think about what to do. So far the idea is to make a separator to separate oil from crankcase gases. It is not yet clear what to do with valve sweating. PS: The question arose about how to choose a candle. Let’s look at the example of NGK (well, I like them and they’re not expensive). It’s simple. At the beginning of the post, the parameters necessary to select a candle are written. Let’s go to the NGK website www.ngk.de/ru/ru/tekhnika…anija/znachenie-koda-ngk/Let’s see what it means. It says www.ngk.de/typo3temp/_pro…knacken_04_790527c66b.jpg

The type designation consists of:

The combination of letters (1-4) before the heat number indicates the thread diameter, hex key opening, and also the design. The 5th position (number) indicates the heat number. The 6th letter indicates the thread length. The 7th letter contains information about the special feature spark plug design. The 8th position in the form of a number indicates a special interelectrode gap. Download PDFwww.ngk.de/fileadmin/Doku…k_code_zuendkerzen_ru.pdf

Looking at the PDF with one eye, we look at the parameters of the spark plug with the other. M14 thread and 16 key. This is BK. We omit the next position, because We have a two-letter designation. Next comes resistor R. The heat rating for NGK 5 corresponds to 16-19 GOST and is suitable for medium-hot spark plugs. 6 is 20-23 These are hot candles. In general, there is not much difference, but for the 409 engine you need spark plugs with a heat rating of 5. If you take 6 (which the servicemen supplied me), then when operating at idle (idling) the spark plugs will not be very hot and blackish deposits will be deposited on them. ash deposits, up to coarser deposits and the end of the candles. So 5 is our choice. Then the thread length is E. Then there are all sorts of modifications of spark plugs like iridium IX, which we don’t need. Or like I have Y - notches on the electrode. Let's see how the deposits behave on them.

Mileage: 16100 km

Choosing spark plugs for the UAZ Patriot engine

Nowadays, there are many types of spark plugs and so many manufacturers. After factory spark plugs become obsolete, it becomes necessary to replace them with new ones. But here every car owner begins to get lost when he comes to a car shop. Of course, the seller will advise you and select spark plugs for your car. But it will be useful if you have information about these elements and can choose the right spark plugs for your car’s engine yourself.

Let's start by considering what kind of engine is installed on the UAZ Patriot. And this engine is called ZMZ-409, which is characterized by the following parameters:

• 4 cylinders;
• petrol;
• microprocessor injection.

The vehicle documentation indicates that the recommended type of fuel for the ZMZ-409 engine is Euro-4 gasoline. This type of fuel allows you to achieve maximum results. The ZMZ-409 engine runs best on Euro-4 fuel, but this does not mean that if you fill it with low-grade gasoline, the car will not run. Not at all, nothing like that, but you will notice the difference from the very first minute:

• The UAZ Patriot will gain momentum more slowly;
• The candles will begin to get dirty and burn out faster;
• You will hear the valves knocking while accelerating.

Options suitable for UAZ Patriot

Thus, when you go to an auto store, you will find the maximum selection of spark plugs. There are iridium, platinum, silver and yttrium products, which differ in cost. Knowing that the ZMZ-409 engine is recommended to be fueled with Euro-4 fuel, then you can start from there. You should find out which models of spark plugs are intended for the ZMZ-409 engine and Euro-4 fuel.

Candle BOSCH Platinum

Let’s not go in circles and immediately note that for the UAZ Patriot SUV, which is equipped with a ZMZ-409 engine, it is recommended to use spark plugs designed for Euro-4 gasoline. But what exactly should the candles be? Spark plugs that are made from iridium and platinum alloys have a long service life. Such spark plugs have a considerable cost, but they will pay for themselves, because the minimum service life of the product is 60-70 thousand kilometers.

But that’s not all, if you decide to install good spark plugs, then you can choose from plasma-prechamber ones. The positive properties of such products are the following:

1. improved self-cleaning process;
2. increased service life;
3. non-standard design: in plasma-prechamber elements, the role of the side electrode is played by the product body. Due to this, there is no need to adjust the gap. Therefore, if you install good products, then only iridium, platinum or plasma-prechamber ones.

In addition to the manufacturer and material of manufacture of these products, it is also worth paying attention to such factors as threads, clearance, and length of the product. Therefore, for the ZMZ-409 engine of the UAZ Patriot SUV, you need to purchase spark plugs with the following parameters:

• The thread of the product must be M14x1.25. The length of the element is at least 19 mm, for which a 16 or 21 mm hex key is intended.
• The device must have a built-in resistor.
• The gap for the spark should be in the range of 0.7-0.85 mm. Such gaps are optimal for all car models.

Based on these parameters, you can always choose the right spark plugs for your SUV.

Choice

After the factory spark plugs on the UAZ Patriot wear out, they need to be replaced with new ones, but before changing them, you need to make a choice. Now there are a huge number of manufacturers, and design options, they can be:

• Silver;
• Platinum;
• Yttrium;
• Iridium.

therefore, the car owner may be confused at the sight of such a huge selection. It is recommended to consult with the seller before purchasing.

Before buying spark plugs for a UAZ Patriot, you need to figure out what engine is installed in the car. This SUV is equipped with a ZMZ-409 gasoline power unit with four cylinders and microprocessor injection. To achieve maximum results, it is recommended to fill in Euro-4 gasoline; the car works best with this fuel; filling fuel below this value is undesirable, as this can lead to negative consequences, for example:

• They will become slower to gain momentum;
• Candles will quickly become dirty and burn out;
• When accelerating, the valves begin to knock.

Based on the installed engine that is fueled with Euro-4 gasoline, you can choose those spark plugs that are designed specifically for this type of engine. Iridium and platinum are considered more durable and expensive; their minimum service life is about 70,000 kilometers. It is also worth paying attention to plasma prechamber products as they have a number of positive properties, such as:

• Good self-cleaning;
• Long service life;
• A non-standard device, their body acts as a side electrode.

When choosing, in addition to the manufacturer, you should pay attention to technical data such as: clearance, length and thread of the product. For engines installed on UAZ Patriot, spark plugs that have the following parameters are suitable:

• Thread with a length of at least 19 mm, and M14x1.25;
• Built-in resistor;
• The gap in which a spark is formed is from 0.7 to 0.85 mm.

The product with such data is suitable for this type of engine. As a rule, A 14 DVR spark plugs or their equivalent are used.

Spark plugs ZMZ 409

Spark plugs have a significant impact on the stability and stability of the UAZ car engine.

That is why it is important to know which spark plugs are suitable for the ZMZ-409 engine and its modifications

The serviceability of the spark plugs and, accordingly, the uninterrupted spark formation directly affect the power, fuel efficiency and starting properties of engines, as well as the degree of toxicity of exhaust gases and some other parameters.

According to the factory operating manual (refer to the links below) for the maintenance and repair of the ZMZ-409 engine, it uses A14DVR spark plugs or their foreign analogues, which can be easily selected on the manufacturers’ official websites or in their catalogs.

RE - ZMZ 409.10 link to file

RE - ZMZ 40905.10 link to file

Explanation of the name of the spark plug and comments on their characteristics.

For a more complete understanding of the essence of the issue, using the example of the A14DVR spark plug, let's decipher its name: A - diameter and thread pitch D, 14 - heat rating, D - thread length L, B - protrusion of the insulator thermal cone, P - presence of a built-in resistor in the spark plug.

A - diameter and thread pitch D - in this case means M14x1.25 thread. The absence of the second letter indicates that the size of the hexagon of the spark plug S is made for a 21 mm wrench. From experience - in narrow spark plug wells of the ZMZ-409 engine, when replacing spark plugs, it will be much more convenient if it has a 16 hexagon rather than a 21 hexagon. The size of the hexagon does not in any way affect the other parameters of the spark plug, so there is freedom of choice here.

14 - heat number - an important parameter that determines the characteristics of the temperature regime of the candle. More about this - Heat number of spark plugs. Cold and hot spark plugs.

D - thread length L - in this case means the length of the threaded part is 19 mm.

B - protrusion of the insulator thermal cone - the thermal cone of the spark plug protrudes from the body into the combustion chamber. The protrusion of the heat cone beyond the end of the housing accelerates the heating of the spark plug after starting the engine, which increases its resistance to carbon formation.

P - the presence of a built-in resistor in the spark plug - determines the presence of a resistor (electrical resistance) in the circuit of the central electrode of the spark plug. The resistor reduces the level of interference for radio equipment and the electronic engine control unit. The presence or absence of a resistor in the spark plug does not in any way affect the quality of spark formation.

Spark plug spark gap.

Another characteristic of a spark plug that the manufacturer sometimes does not indicate in the marking is the gap between its central and side electrodes. For the ZMZ-409 engine it should be within 0.7-0.85 millimeters. Before installing the spark plug, you need to check the size of the gap and, if necessary, adjust it by bending the side electrode.

The size of the gap between the spark plug electrodes directly affects the process of ignition of the air-fuel mixture in the combustion chamber. Therefore, if the gap is incorrectly set, for example too large, the load on the high-voltage part of the ignition system increases, which in most cases leads to a loss of engine power and increased fuel consumption.

Which spark plugs are suitable for the ZMZ-409 engine in a UAZ.

Based on the above decoding for the A14DVR spark plug, we conclude that all spark plugs from any manufacturer that meet the following requirements are suitable for operation in the ZMZ-409 engine:

— thread M14x1.25, length 19 mm. and with a hexagonal spark plug wrench 16 or 21 mm. — the heat number corresponds to the number “14” of the A14DVR spark plug, this is easily determined from the tables of correspondence and interchangeability of spark plugs from different manufacturers — the heat cone must protrude from the spark plug body — the spark plug must have a built-in resistor — the spark gap must be within 0.7- 0.85 mm.

Interval for replacing spark plugs on the ZMZ-409 engine.

The Ulyanovsk Automobile Plant recommends changing spark plugs every 30,000 kilometers or every two years, whichever comes first. Considering that the service life of spark plugs is not constant and largely depends on various components: the quality of their manufacture, engine operating conditions, fuel quality, etc., it would be advisable to replace them every 10,000 - 15,000, or even better once a year, before during the winter period of operation.

Source of the article: https://lexmak.ru/kakie-svechi-zazhiganiya-podxodyat-dlya-dvigatelya-zmz-409-na-uaz/

Malfunctions and repairs

When the technical characteristics and device are considered, it is worth moving on to consider the main problems, as well as how the ZMZ 409 engine is repaired.

Important! Before repairing the ZMZ 409 with your own hands, it is worth studying the power unit repair manual, but if the car enthusiast is confident in his abilities, then we proceed directly to action.

The most common problem is tripping and floating speed. You can fix this problem yourself without leaving the garage. So, let's look at the causes and methods of troubleshooting.

Poor fuel and power system

If low-quality fuel was poured into the fuel tank, this can clog the power system, which will lead to floating speed and tripping. To eliminate the malfunction, you will need to clean the entire system, as well as clean the injectors. After the procedure is completed, it is worth checking the performance of the power unit.

Spark plugs and high voltage wires

Often, spark plugs and wires can become a problem. Repair of ZMZ 409, in this case, is quite simple. Old parts are removed, inspected, and, if necessary, replaced. It is worth remembering that before installing new spark plugs it is worth setting the gap between the electrodes. If this is not done, fuel combustion will be uneven, which leads to the effect that the valves burn.

Sensors and ECU

Malfunction of sensors and electronic engine control unit. In this case, error codes will help, by which you can immediately determine where the malfunction lies. So, let's look at decoding ECU errors:

Which spark plugs are best to choose for a car with LPG?

Fuel consumption, engine power, and exhaust toxicity depend on the choice of spark plugs. To select the right spark generators for operation on gas, you need to follow the recommendations of the ignition system manufacturer for a specific engine brand.

In the line of popular brands such as Denso (Denso), NGK (NZhK), Bosch (Bosch), Beru (Beru) and Brisk (Brisk) there are spark plugs designed specifically for running a gas engine (with gas-cylinder equipment), with already adjusted gaps and selected heat rating.

The heat number of spark plugs for HBO is also a very important parameter; experiments with lowering or increasing this value can only harm the engine. But if you decide to take such a step, then it is better to choose “colder” candles (in most cases, manufacturers have their own individual table of number values).

More clearly about the heat number and the possible consequences of its incorrect choice, you can watch the video:

The ideal solution for a car with gas equipment would be to use “gas” spark plugs; iridium or platinum plugs are better, but their cost is much higher than standard ones

Standard spark generators will also work great, but for this it is important to remember the need to adjust the gaps every 5-7 thousand km

mileage The service life of such candles may be reduced.

It is worth noting that the frequency (interval) of replacing igniters intended for internal combustion engines with gas equipment may also be reduced, it all depends on a number of factors:

• proper operation of the engine and ignition system;
• conditions and manner of operation of the vehicle;
• gas/gasoline fuel quality;
• correct installation of spark plugs.

In addition, the market is flooded with cheap fakes, beware of low-quality products! It is best to buy from official representatives of manufacturers.

Installation of new parts with a washer or cone seal is carried out by screwing in by hand (using a wrench) until it stops. Tightening a candle with a ring is done by half a turn, and a conical one by 1/15. If the candle is placed again, then in both cases it stretches 1/15 of a turn. But it is better to use a torque wrench and install according to the factory recommendations specified in the catalogs and on the packaging.

Basic aspects of ignition installation

The main aspects to consider when installing the ignition by marks:

1. First, you need to dismantle the front cylinder head cover; to do this, you need to unscrew four 12-point screws. In some engine modifications, dismantling also involves removing the fuel pump.
2. Then the upper hydraulic tensioner located in the head is dismantled; to do this, two screws securing the cover are unscrewed.
3. Next, the chain stabilizers are removed - the middle one, as well as the top one; for this, the two screws that secure them are unscrewed.
4. After this, the camshaft sprockets are dismantled. The shafts themselves need to be fixed using a 27 key, while simultaneously unscrewing the screws that secure them. In modifications of engines 4063.10, the camshaft sprocket is removed along with the fuel pump drive eccentric.
5. In accordance with the jig installed on the sprocket, six holes should be drilled in each of them. Their angular displacements should be 2, 30, 5, 00, 7 and 30 degrees from the set position of the factory hole, which is located along the axis of symmetry.
6. If, when adjusting the phases, it is necessary to turn the camshaft clockwise, the sprocket itself should be mounted on one of the additional holes with a positive offset. It is located to the right of the standard hole.

Read more: Buggy from VAZ 2108 drawings