VAZ 2110 injector takes a long time to start - 8 and 16 valves, what to do if the problem is cold renoshka.ru

There are many reasons why the fuel-injected VAZ-2110 with 8 valves does not start well after being parked overnight. A particularly common situation is when everything was fine in the evening, and in the morning an unpleasant surprise is discovered in the form of a non-working car. Next, we will consider what reasons can lead to difficulties in starting the injection VAZ-2110 and what to do to fix the problem.

To determine why a car has trouble starting, you need to know how it works. A spark is responsible for starting the engine, which, in turn, is completely dependent on the ignition system and the fuel-air mixture, supplied in precisely metered proportions.

If one component of this chain is broken, starting is problematic or completely impossible.

How long does it take for a VAZ 2110 injector to start? Fix the problem yourself

Patriots of the domestic automobile industry often encounter a problem: the VAZ 2110 injector takes a long time to start.
Let's make a reservation right away - in most cases this is not caused by the design features of the car, but by the low level of prevention on the part of car owners. As they say, “thunder will not strike...”, in other words, our compatriots prefer to heroically and selflessly eliminate breakdowns, rather than prevent them.

How long does it take for a VAZ 2110 injector to start? There may be several reasons; they will be discussed in some detail below. Let's list the main

failure of the timing belt;
wear of insulation on high-voltage wires;
temperature sensor failure;

The list is not exhaustive, but it identifies the main causes of engine starting problems. The analysis provides the only sure way to avoid problems - it is enough to carry out preventive inspections and replace questionable components in a timely manner (for example, sensors are guaranteed to last for 60,000 km.

). Of course, this advice is not able to console those who have already encountered a breakdown, but for the future...

Let's talk about the listed breakdowns in a little more detail. As for the timing belt, everything is clear here - it must be replaced as it wears out.

Wire insulation

may be damaged during the operation of the car - for example, the ignition module wire often melts from high temperature (it is located in close proximity to the cylinder head, and it regularly overheats).

There may be other reasons for the violation of the integrity of the insulation. The resulting short circuits prevent the engine from starting - and this deficiency can occur periodically.

Temperature sensor

. If there is a problem with this part (and even more so if it fails), problems arise with testing by the on-board computer - it is not able to correctly determine the engine temperature and, accordingly, the required amount of fuel mixture. The only (and least expensive) method of “treatment” is to replace the sensor. You can, of course, test it for functionality, but this requires special equipment.

Ignition module. Repairing it at home is quite complicated, so the “recipe” is the same - replacement. If it is possible to temporarily install a known-good module and try to start with it, then it’s worth a try.

Candles

. Apparently, troubleshooting needs to start with them. Soot, the presence of traces of fuel and other deviations from the norm confidently indicate incorrect operation. See signs of bad spark plugs.

For a beginner, the best solution would be to completely replace the set; people who are not unfamiliar with technical skills can try to “revive” the candles - thoroughly wipe them, clean them from carbon deposits, heat them with a blowtorch, etc. If after replacement the spark plugs are refilled, then there is a high probability that the integrity of the insulation in the high-voltage wires will be damaged.

By the way, with the help of a working spark plug it is easy to check for the presence of a spark: you need to place the spark plug on the ground of the car with a metal surface and start the starter. The absence of a spark indicates problems with the power supply, but in a positive case, you need to continue diagnostics.

Let us mention one more reason for the malfunction: low throughput of the fuel filter. This is entirely on the conscience of the car owner, who ignored the timely replacement of the part, although it is possible that the filter becomes clogged due to the use of low-quality fuel.

Electrical problems

If you notice that your VAZ 2114 is difficult to start, then first of all you should check the main electrical components and assemblies that affect its operation.

These include:

starter;
spark plug;
throttle;
electronic control unit.

In this case, the check should begin with the candles.

Before you begin troubleshooting, you should check the condition and charge of the battery. If it is too discharged, then this can cause poor starter performance and, as a result, difficulties when starting the engine.

If the battery is in perfect order, then you should carefully examine the spark plugs. The presence of oil, carbon deposits, or colored spots on them may indicate that they are faulty. In this case, there are two options for solving the problem - either clean the existing spark plugs (for example, calcinate them or clean them with fine sandpaper and solvent) or replace them with new ones. The last option is the most preferable, since only it will help you find out for sure whether the spark plugs are to blame for the malfunction or not.

It should be remembered that when replacing spark plugs with new ones, all 4 spark plugs should be replaced. This is done even if only one candle fails.

If upon inspection it turns out that everything is in order with the spark plugs, then you should check the high-voltage coil. This can be made easier by replacing it with a new, similar one. If the ignition coil (or rather the block) is working properly, then you should proceed to diagnosing the starter.

Checking the starter consists of carefully inspecting it and monitoring the condition of the main elements - the degree of wear of graphite brushes, brass bushings, etc. In addition, you should check the starter using a multimeter (tester), “ringing” it between one of the brushes and the armature. If the tester shows an open circuit, then there is a break in the winding and the part will have to be replaced.

Another reason why the VAZ 2114 does not start well with a cold injector may be a malfunction of the electronic control unit. Checking it at home is extremely problematic, since you will need special diagnostic equipment.

That is why you should either contact a service center to check the ECU or try replacing the unit with another one and try to start the car again. If the car starts right away, then the problem was in the block. In this case, you will have to either buy a new ECU or reflash the existing one (for this you will also need to contact a car service).

Appeal to professionals

The reasons and ways to eliminate them briefly discussed here will hopefully answer the question of why the VAZ 2110 injector takes so long to start.

Let us make a reservation that even a non-specialist is capable of carrying out basic diagnostics of a car, however, it is quite possible that this will not be enough - the causes of a malfunction can be complex, i.e., in some cases there are several prerequisites for delaying engine starting. The best solution is to seek help from professionals (car service).

Ignition coil

If there is electricity in the circuit, it is the coil that almost completely fails. There is no point in repairing it, so the unit must be replaced with a working one.

As practice shows, problems with the winding often arise due to poor contact of the electrical wiring connected to it. Often the reason for this is banal pollution.

When the above manipulations do not bring results, it is necessary to check the functionality of the switch or distributor in the engine (depending on the type of power plant - injector or carburetor).

To do this, remove the protective cover and:

check the presence of current with a tester;
clean contacts from dirt;
make sure they are held securely.

All other wiring problems must be repaired only at a service center. The thing is that only a few car enthusiasts are able to carry out diagnostics on their own. In addition, this requires special professional equipment.

Messages 15

1 Topic by vam_sam 2017-04-28 00:52:36 (2017-04-28 00:56:31 edited by vam_sam)

vam_sam
New member
Inactive

Registration: 2015-08-14
Messages: 22 Thanks : 4
Car: VAZ 2111

Topic: Very difficult to start, especially when cold, takes a long time to turn (video)

Hello everyone, I’m back with my 21113 16kl, the car still starts up disgustingly. Namely, it doesn’t start right away, but it spins for 4 seconds, after which it farts for 2-3 seconds with vibration in the body and rpm of 850-1000, after which the warm-up starts at 1300, this happens only after a long stay, if the engine is warm, it starts without this, but it also turns for a long time, but for some reason immediately after starting it drops the revolutions to 500, and gets up to 850 immediately after a second. I decided to write because today I decided to blow out the cylinders, in the end it stopped gripping altogether, only if I give it some gas, I’m fundamentally not happy with it. The fuel pump and air flow sensor are working properly, the spark plugs are January, the same thing happened on the old ones. This is a very tough option at -20, it seems like it was in the winter [video], and this is also not what it usually is, but almost imperceptibly [video], something consistently happens between the first and second video. Where to dig? For now, the plan is to try replacing the ignition module and wires, but if you pull the current ones one by one, the engine starts to shake

Prevention of injector breakdowns

Why the injection engine does not start and how to eliminate possible problems is now known to all readers of our resource. However, it is better to avoid such breakdowns, so let’s pay attention to ordinary procedures that, if carried out systematically, will help minimize the risks of all malfunctions. The simplest but most effective prevention consists of the following measures:

Firstly, refuel exclusively at proven gas stations and only with high-quality fuel. Remember that most fuel system and engine malfunctions are caused by dirty gasoline;
Secondly, change all consumables on time and only with high-quality products. The most important thing is periodic replacement of all kinds of filters and engine oil;
Thirdly, periodically check the main components of the machine for stability. The list of the latter, naturally, includes the injector, elements of the fuel system, ignition and engine;
Fourthly, never neglect routine diagnostics of your car at a service station. Surprisingly, even a delay of a couple of hundred kilometers can cause serious damage, which previously could have been eliminated with very simple actions;
And fifth, always operate your vehicle properly. That is, you do not need to overheat, overload or negatively impact your car in any other way.

Perhaps this is where the most important information on today’s issue has come to an end. We hope the material presented above was useful and provided answers to your questions. Good luck in operating and maintaining your car!

What is the reason why the injector takes a long time to start? The problem can be caused by various reasons, because the engine takes a long time to start not only when cold, but also when hot. Could this mean that the starter rotation time has nothing to do with temperature or not?

VAZ 2110 injector takes a long time to start - 8 and 16 valves, what to do if the problem is cold

Hi all! There is a VAZ 2111. Engine 21114 - 8 cells, 1.6. Bosch 797. It always takes a long time to start - both cold and hot. Problem since summer. The remote control was washed. Everything is clean and not clogged. The valves have been adjusted. Cleaned the injectors. I checked the suction pipes and replaced many. The air filter is new. The fuel tank strainer has been replaced. The rail pressure is around 3.8. The check engine light is constantly on. The BC displays a mass loss error (1602). But it’s unlikely that the check is related to this mass error, because she's been around for a long time. There are no problems when driving (I don’t drive). True, there is one nuance - sometimes when accelerating/driving around 2000 rpm there is a certain gag - the car seems to twitch/gouge for a second and then drives normally. The voltage at the mass air flow sensor is 1.04. But there are no floating edges or a noticeable drop in traction. The muffler-resonator connection cuts. But this happened before. I'm tired of twisting new clamps. Scored. But this is true, just in case it can help with the diagnosis) Here are the readings from the BC in three modes - immediately after start (23g), warmed up (88g) - XX and 3000 rpm.

Temperature 23 g Speed 1240 Consumption l/h 2.21 VAF 1.72 v Reg. XX steps 94 DC 0.45 in UOZ 3.7 Air consumption kg/h 23.9

Temperature 88 g Speed 800-840 Consumption l/h 1 VAF 1.5 v Reg. XX steps 36 DC 0.66 in UOZ 9.7 Air consumption kg/h 11.1

Temperature 88 g Speed 3000 Consumption l/h 3.55 VAF 1.92 v Reg. XX steps 80 DC 0.11 V Throttle 4% UOZ 30.7 Air consumption kg/h 34.1

Possible faults

No matter how trivial it may sound, if the injector does not start, it means something has gone wrong. The success and speed of repair depends on how quickly and efficiently the problematic link in the car’s design can be identified. To better understand the essence of repair activities, it would be a good idea to pay attention to potential breakdowns. The basic list of the latter is as follows:

Malfunctions of the injector itself. In the event of a breakdown of this kind, as a rule, the car does not start either cold or hot. On top of that, the injector indicator on the dashboard or on-board computer constantly lights up, signaling its malfunction. It is much less common for the engine to work when the indicator is on, but in this case the car starts poorly and is extremely unstable. It is worth noting that the injectors in the injector most often become clogged or the ECU burns out, so it is advisable to check these components first;
Ignition system failures. Here the list of possible faults is quite large. Often the candles that suffer are simply flooded. In the event of such a breakdown, the car starts and immediately stalls, but in the long term it stops even “grasping.” Other components of the ignition system (coil, module, distributor, crankshaft sensor, etc.) are noticeably less likely to suffer;
Incorrect operation of the fuel system. In this aspect, injection engines most often suffer on three fronts:
Fuel filters are clogged (the car “picks up”, but does not start; if the engine starts, it is extremely unstable);
The fuel pump is faulty (its characteristic operating sound is absent when you turn the ignition key, the injector itself simply does not start both cold and hot, the starter turns).
There is insufficient pressure in the fuel system (the engine starts up reluctantly both cold and hot, but if it starts working, it functions unstable);
Engine problems. Perhaps the widest range of possible malfunctions. Often the reason lies in weak compression or incorrectly adjusted valves. In any case, with a “motor” starting problem, high-quality engine diagnostics are required, otherwise it will be very difficult to determine the cause of the malfunction.

In addition to the breakdowns described above that can break the operation of the injector, the problem may lie in more trivial things. An example of this is a weak battery charge or lack of fuel in the tank. Considering just such incidents, before repairing a car, it is extremely important to exclude the possibility of their occurrence, so as not to waste extra time and nerves.

Why the 16 valve VAZ-2112 injector does not start well when cold: reasons and repairs

Car : VAZ-2112. Asks : Baranov Ivan. The essence of the question : The VAZ-2112 car does not start when cold? What to do?

Good afternoon, I have a VAZ-2112 produced in 2005, with a 16-valve engine. And not so long ago, when it was cold, I began to experience difficulty starting it. At the same time, it may simply not start, and sometimes it starts with difficulty. Tell me what could be the matter?

Probable Causes

First of all, you should make sure that the temperature sensors installed in the car remain in proper working order. According to the manufacturer's requirements, monitoring devices must be changed regularly.

In addition, the following reasons are the most common in a situation where the engine (including the one on which the injector is installed) of the VAZ-2110 starts very poorly in the morning when it’s cold:

timing belt wear;
damage to the insulating sheath of electrical wiring;
problems with the ignition mechanism.

It is worth recognizing that this list is completely incomplete. But these are the most common reasons.

Won't start in the morning? Let's fix it!

There can be many reasons why a motorist finds it difficult to start the engine after parking overnight. This also applies to those situations where the car was started in the evening without any defects, but in the very morning the problems, as they say, are obvious.

In this article, we will look at what are the main reasons that influence the difficulty of starting a VAZ-2112 with a cold engine and how you can quickly solve them.

The video above shows a standard example of how a VAZ-2112 cannot start when cold.

Diagnostics

So, to determine the specific reason for the long start-up of an injection-injected internal combustion engine, you should start with a high-quality diagnosis. Usually, they check the compression in the cylinders. Its values must be within 12 atm for this to be considered normal. In this case, there should be no deviations between these indicators in each of the cylinders (maximum - 1 atm).

Then the spark plugs must be replaced. This will have an effect on the engine and it will now start much faster. However, if everything is not in order with the motor, then the normal starting time will last only 1-2 days.

Therefore, high-voltage wires should also be diagnosed. Diagnostics will make it possible to find out whether the cables have a breakdown, which is clearly visible by the spark coming out at night. This is done as follows: the car starts in the dark, at the same time you need to monitor which wire sparks.

The ignition coil also needs to be checked. Many experienced drivers do this: they install a known good and new module instead of the original one, then check the engine starting for several days. If everything is normal, the start-up does not take long - it means that the whole problem was in the bobbin (ignition coil).

Starting principle

In order to know why the engine does not start, you need to know exactly how it works. The basis for starting the engine is a spark, which depends on the ignition system and the fuel-air mixture, which is supplied in certain proportions. Therefore, if any of these components does not work as it should, startup becomes difficult or simply impossible.

Main reasons

Among all the reasons why starting an engine can be difficult, we can highlight the main ones that stand out for poor starting of a cold engine:

Low battery charge level - this reason most often occurs in the cold season, when the ambient temperature is significantly below 0 degrees Celsius. Because in such conditions, a dead car battery can lose its charge very quickly. This problem can be solved by simply replacing the battery with a new one, or periodically servicing the old one to recharge it.

The battery on the editorial car was running low. True, it was an 8-valve VAZ-2112. But the meaning is the same.

The order of dismantling does not matter.

Actually, the ramp is under pressure

Throttle valve before and after cleaning

We connect the probes of the measuring device: red to yellow, and black to green (to sensor ground).

Insufficient engine oil pressure

Also, the cause of difficulty starting the engine when cold can be insufficient oil pressure in the system. In this case, the low oil pressure indicator should have warned you about this during the previous trip. Read more about normal oil pressure in this article!

This reason typically appears on a cold engine, since it is much more difficult for thickened oil with insufficient pressure to reach the main components and assemblies of the engine. In this case, you may notice a low oil pressure warning light. However, as follows from practice, such problems do not occur often.

As you can see, problems with starting the engine when cold are not uncommon and there can be various reasons for this. They should be solved from least difficult to most difficult. Since even a minor problem in a small unit can prevent the entire engine from starting.

Problems with the fuel supply system

Very often the VAZ 2114 8-valve injector does not start well in cold weather due to a malfunction of the fuel system. To check it and identify possible malfunctions, you will have to carry out diagnostics:

Electric pump.
Fuel filter.
Fuel line.

Troubleshooting should begin by inspecting the fuel pump. Checking it is quite simple - when turned on, it should buzz, which will indicate its operation. If no sound is heard, then the pump is faulty and will have to be replaced with a new one of a similar model.

The next common cause is clogging or destruction of the filter. Everything here is also simple - you just need to remove and inspect the filter and, if it is worn out, replace it with a new one.

If the filter, like the fuel pump, turns out to be working, you will have to measure the pressure inside the fuel line (for this, there are both special devices and entire testers that allow you to diagnose the entire fuel system. The simplest version of such a device costs just over 1,000 rubles). If the pressure in the line turns out to be normal, then you should think about other possible reasons.

How to start easier in cold winter

Advice! To make starting the engine in the cold season much easier, we recommend installing an auto-start alarm on your car.

Warming up every certain time. Fuel consumption will suffer, but the likelihood of starting in severe frost will increase

If the temperature drops below 20 degrees minus, you can set the engine to automatically start every three hours. This will not only allow you to get into a warm car in winter, but will also prevent the oil from thickening too much during severe night frosts, which will certainly have a beneficial effect on the condition of the engine as a whole.

Long start of the VAZ 2110 engine

Starting an engine is a serious task, the competent solution of which requires compliance with a lot of conditions. Ideally, the starter should start the engine a couple of seconds after turning the key, but in practice it is often different. Sometimes starting the engine can take several tens of seconds and does not occur after the first turn of the key. If you have to turn the starter for a long time to start the engine, there may be several reasons for this. It is important to identify the malfunction and eliminate it, otherwise it is fraught with serious consequences.

What to do if your VAZ-2110 (8-valve injector) doesn’t start well: reasons

There are many reasons why the fuel-injected VAZ-2110 with 8 valves does not start well after an overnight stay. A particularly common situation is when everything was fine in the evening, and in the morning an unpleasant surprise is discovered in the form of a non-working car. Next, we will consider what reasons can lead to difficulties in starting the injection VAZ-2110 and what to do to fix the problem.

If one component of this chain is broken, starting is problematic or completely impossible.

What to do if the starter spins for a long time when starting the engine

Despite the fact that starting the engine falls almost entirely on the starter and battery, we must not forget about other elements that are involved in solving this problem. The following are the most common reasons why the starter spins for a long time when starting the engine:

Dirty fine fuel filter. If low quality fuel is used or various debris gets into the gas tank - sand, dust, stones, then over time the fine fuel filter will become clogged. This will lead to difficulties in the flow of fuel into the combustion chamber, which will cause difficulties when starting the engine and its operation. In such a situation, you need to change the fine filter to a new one and clean the gas tank from accumulated contaminants;
Worn starter brushes. The longer the starter is used, the more its brushes wear out. Replacing starter brushes is a simple procedure, but it is not always advisable. If the starter is old, sometimes it is better to install a new one in its place instead of replacing the brushes;
Air filter dirty. Due to accumulated contaminants in the air filter, difficulties will also arise with the operation of the engine, especially at the time of start-up. It is recommended to replace the air filter and clean the air intake system;
Low compression in cylinders. This problem is relevant for older cars. Due to low compression in the cylinders, exhaust gases leak into the crankcase, which disrupts the ignition process of the fuel-air mixture when starting the engine. To correct the situation, you can try decoking the piston rings. When it does not help and the problem is related to a change in the shape of the cylinders, only a major overhaul of the engine can correct the situation.
Read also: How to replace windshield washer nozzles

The above are the most common problems for any type of engine, but we can also highlight characteristic malfunctions for injection and carburetor engines.

The starter spins for a long time on an injection engine

A typical problem with an injection engine, due to which it takes a long time to crank the starter to start the engine, is an error in the on-board computer. This problem can be solved in two ways:

Reasons for incorrect startup

Among the existing reasons why the engine does not start well, it is worth highlighting several:

Low battery. This is a common cause and usually occurs in winter, when the air temperature is much below zero. In such conditions, a weak car battery very quickly loses its residual charge. This problem can be solved quite quickly. You need to replace the battery with a new one or charge the old one well.
Fuel pump. With normal starting power from the battery, the car still does not start. The second reason for the problem probably lies in the fuel pump. Your car's engine may not start due to a lack of gasoline in the fuel system. This may be due to a malfunctioning fuel pump that supplies fuel from the gas tank. Checking this malfunction is quite simple. If there is a spark in the spark plugs, but the engine does not start, then the cause of the downtime is the fuel pump.
Sensors The next, no less common reason may be the crankshaft or camshaft sensors. These devices are similar, but they are located in different places: above and below the car. If the battery is fully charged and the fuel pump is in order, then you need to check the condition of the sensors. You can diagnose the condition of the sensors at a service station or independently. Check if there is a spark at the spark plugs when you turn on the ignition. If there is no spark, the cause may be a faulty sensor.
Candles. They are responsible for supplying the spark that is necessary to ignite the air-fuel mixture. Candles under constant loads fail, become dirty, and become covered with soot. Therefore, you need to check their condition, remove carbon deposits and rinse them. But it is better to replace them with new ones at the time of checking. If the engine starts, leave them in place. If not, continue searching for the problem area.
Signaling. In some cases, it happens that a faulty alarm affects the operation of the ignition system. If the cause of the breakdown is not found in the previous elements of the car, you need to check this option. The reason why a car has trouble starting is rarely related to the alarm, but it is still worth checking.
Gas distribution mechanism. It is difficult to independently diagnose an injection VAZ-2110, so it is better if this work is performed by service station specialists using the necessary equipment. To prevent malfunctions of the gas distribution mechanism, do not fill the gas tank with fuel with a low octane number. The best option for a VAZ-2110 with an injector is AI-95, or in extreme cases AI-92.
Ignition. It's possible that your car's ignition is simply faulty, making it difficult to start. In this case, the culprit will be early or late ignition due to vibration. Over time, the distributor cap on the car turns slightly, causing the spark to flow unevenly. This leads to incomplete combustion of fuel in the cylinders, and the engine begins to stall. You can get rid of this problem by rotating the distributor cap counterclockwise.

Why is it dangerous to turn the starter for a long time when starting the engine?

Starting an engine is a process in which the starter and battery are directly involved. They are the ones who suffer the most when starting the engine for a long time. Accordingly, the following problems are possible:

Low battery. Each time you try to start the engine, battery power is consumed. Moreover, if the attempt is not successful, then we can assume that the battery is consuming its charge “idle”. In order for the battery to charge, the engine must start and run for a while. Several unsuccessful attempts to start the engine, and you will get a discharged battery, which will need to be charged from the station, or you can start the engine “by lighting” in other cars;
Starter failure. When the starter is cranked for a long time, it begins to overheat, which can negatively affect its components and lead to complete failure of the part. Also, do not forget about the bendix, which when trying to start the engine is connected to the crankshaft. If the engine does not start, there is a high risk of damage to the splines on the bendix or the bearing. If you constantly have to turn the starter for a long time when starting the engine, over time this will lead to its failure and the need for replacement.

Most often, you can solve the problem with the starter cranking for a long time when starting the engine without contacting a service center yourself, thereby preventing early failure of the starter.

Common breakdowns

Sometimes there is a situation when the starter turns, the click is clearly audible, but at the same time the spark plugs flood, and replacing them with new ones leads to repeated flooding. Regular cleaning of the spark plugs will help. If you encounter such a problem, then in order to start the car, you need to check the injectors; perhaps they are clogged, and this was the main reason for the spark plugs to flood.

Also, the fuel pump may not create pressure acceptable for vehicle operation. Additionally, it is necessary to check the mass air flow sensor. The sensor may be feeding incorrect information, causing more fuel to enter the engine. Repairing or replacing the sensor will help fix the problem.

The car starts on the second try. Most likely, the throttle valve or DHW is clogged. To eliminate the problem, you need to flush the devices.

It is impossible to start the car in winter, although the starter turns normally. When faced with this situation, it is necessary to unscrew the spark plugs and crank the starter to free the engine from fuel. Heat a new set of spark plugs, and while they are warm, screw them into the engine block. Start the engine.

The engine does not start well, and a light with an exclamation mark appears on the dashboard, after which it stalls. A lamp with this designation indicates that voltage is still supplied to the starter, although the engine has started. Most likely, the engine did not decouple and the starter broke down. To eliminate the problem, you need to replace the starter.

About DTOZH

In general, power unit temperature sensors are the most important regulators of an injection engine. There are two of them on it. One is located directly in the cylinder head, it displays the temperature value on the instrument panel.

The second one is located in the thermostat, and provides data on the temperature of the control unit of the power unit. Based on the results obtained, the control unit regulates the fuel supply - it supplies more fuel to a cold internal combustion engine, and less to a hot one. In addition, it is the control unit that regulates the OZ, influences the ignition of the fuel assembly, and activates the coolant fan if the liquid temperature rises above 100 °C.

Obviously, with faulty DTOZh there will be difficulties in the operation of the motor. However, this applies more to the DTOZH, which provides information directly to the block. For example, if the DTOZH is faulty, it will give false values about a cold engine, although it is already boiling. The supply of fuel to the cylinders will increase, because this is provided by the system. Let's say you drove for a long time, then stopped and went into a store. Now starting the power unit will cause obvious displeasure, since it will take a very long time to start due to data failures and oversaturation.

Why does the injector take a long time to start due to DTOZH

At the same time, the SOP, which is responsible for the ignition of a fuel assembly that is clearly over-enriched, changes greatly. As a result, the fuel will evaporate intensively, and the concentration of gasoline in the fuel assembly will be so high that the mixture will hardly ignite due to the small amount of oxygen.

It was said above that when you press the accelerator pedal, the startup time will be noticeably reduced. Now it becomes clear why this happens. By pressing the gas, we add oxygen to the fuel assembly, and the fuel ignites faster.

Thus, by replacing a faulty DTOZh, you can solve not only the problem with long-term starting of the internal combustion engine, but also other difficulties relating to the process of engine operation and its cooling system. The engine, after replacing the faulty DTOZH, will add stability, throttle response and power.