The reasons why the injection engine does not develop full power. List

15.11.2020

In this article, we will consider several distributed diesel engine malfunctions, and possible methods for eliminating their forces. And also deal with what these faults may appear in the diesel engine.

The diesel engine does not pull (does not develop full power), but it does not smoke.

The most common causes of such a fault are to reduce the patency of the coarse filter of fuel in the car's tank and reduce the passability of the fuel purification filter. Many conscientious drivers change the fuel filter after a certain mileage of the machine, as the factory manufacturer prescribes the factory. But we forget that any factory manufacturer imported foreign cars writes the filter replacement time, calculating that the machine will be operated on a normal European fuel.

They never may come to mind that the fuel may be dirt or water, which in our domestic fuel ordinary phenomenon. Therefore, so as not to harm the engine and not lose power, the fuel filter should be changed twice as often, especially if you visit remote refills somewhere in the outback. And it is best to upgrade the fuel system of a diesel engine, as described in.

To make sure of such a fault, you need to change the regular opaque fuel line, which comes from the fuel filter to the TNVD, on the transparent hose (as in the photo on the left), which will be very useful in the further operation of the car (after replacing the hose, and the fuel filter will also need Pour the fuel system, that is, remove the air, how to do it).

After replacing the hose (fuel line) on transparent, and pumping the fuel system, we start the engine, and if the fuel filter is clogged, then the circulating air bubbles will be visible during the operation of the motor in the transparent hose, and with raising diesel revolutions, they will be visible more clearly. Moreover, from the presence of these air bubbles in the fuel system, the diesel engine can work with interruptions ("Troit"), naturally the engine power is lost.

We get rid of such a malfunction to the replacement of the fine cleaning filter, but before that it will be useful to unscrew the fuel tube at the bottom of the fuel tank and drain sucks. It will also be useful to clean the mud and a filter of coarse fuel purification (a mesh in the form of a barrel), located in the gas tank.

For this, many machines have a special hatcher (one in which there is a fitting for connecting the fuel hose), unscrewing which can be reached before the filter of coarse fuel purification. After all these operations, it will be necessary to pump the fuel system to remove air from it (how to do it click on the link above and read).

At idle and medium speeds, diesel works fine, and at high speeds it works with interruptions ("Troit").

Such a trouble may be due to malfunction of the engine of the engine (timing), as well as due to suction in the fuel system of air, well, or because of the above-described loss of the fuel filter (the filter is clogged with mud).

To begin with, you will be convinced whether the fuel filter is to blame for this fuel filter or not and whether it is worth changing it. To do this, disconnect the fuel hose from the filter fitting (I hope you have already replaced it to transparent), which goes to the pump. That end of the hose that you removed from the filter fitting, drop into a bottle with clean diesel fuel and now boot the engine.

If the diesel will now work in all modes (on any revolutions) normally without interruption, it means that the malfunction was precisely because of the dirty filter of fine cleaning and should be replaced. If the fault does not disappear, then try to clean the brute cleaning filter, located in the fuel tank (I wrote above). Do not forget only then pump the fuel system.

If, after that, the fault does not disappear, and the fine cleaning filter is worth a new one, and the coarse filter in the tank you are cleaned, then note (when the motor) are there any air bubbles in the transparent fuel hose. If so, it is possible that the fuel system in which place is not a leak and in it.

Check all the compounds of metal and rubber fuel lines and tank fittings, the pump, the return hose (including under the bottom of the car), possibly somewhere you need to pull the clamp, or replace the rubber hose cracked from time to time. Typically, the leaks are clearly visible according to the characteristic wet fuel. After eliminating leaks, the fuel system should be pumped (remove air).

If you have replaced and cleaned all filters, and air bubbles when the engine is not observed in the hose (and everything is hermetically), but still diesel with maximum speed (or above average) works with interruptions ("Troit"), then it remains to be checked (which remains By the way, it can "float" due to the malfunction of the valve mechanism), as well as it is worth checking and adjust the thermal gaps in the valves (how to do it).

But it happens it does not help, and requires valves or restoration of their geometry. But before removing the head for repair, it should be determined due to which the compression disappears - due to the leakage of the valve mechanism or due to the wear of the piston.

How to do this I have already written and you can read about it. If you are not able to eliminate all of the above faults, you should contact the services of specialists so that they repaired the engine head and restored the normal operation of the timing.

On more modern diesel engines, in the head of which valve hydraulic components are installed, interruptions in the engine operation may be due to the malfunction of the hydrocompensators, for example, if some of them jammed due to dirty oil. In general, such dieselks love better oil and more frequent replacement (and filter too), as well as turbo-diesel engines.

To eliminate the enclosure of the hydrocompensator, in any case, it will have to disassemble the head, followed by washing or replacing parts (if there are scales on them).

When operating a diesel engine, it knocks, and if you sequentially disconnect the fuels from the nozzles, then the knock disappears.

Such a malfunction may arise due to the failure of some kind of nozzle (for example, a nozzle needle can jam in the open position). Determine the nozzle of which cylinder has failed, if you can disconnect the high pressure fuelings from the nozzles.

Well, the last reason, because of which the diesel can smoke and not develop full power, it is unsatisfactory work of nozzles (for example, wear and loss of tightness of the needle and her saddle - I wrote in the diagnosis and repair of nozzles on your own), but before you twist From the engine and lead to specialists for testing (crimping), first follow the actions described above, starting with the replacement of the air filter.

By the way, I advise you to clarify the mileage of your car, I mean a real mileage (how to find out the real mileage,), since on modern diesel engines with the Common Rail system, modern electrohydraulic, or piezoelectric nozzles (I wrote about them) to pass on our domestic fuel as The rule is no more than 150 - 200 thousand km. And if there is not a small mileage on your odometer, as described slightly above, and the car is modern, that is, with the Common Rail fuel system, the diagnosis of nozzles is uniquely needed.

This is not all possible malfunctions of a fairly running diesel engine, and the ways to eliminate them, there are others, but I will try to tell about them in one of the following articles (I find an article).

I hope this article will help those drivers who love to eliminate most of the malfunctions of the diesel engine, and all the car do it yourself, good luck to everyone.

Read 5 min. Views 607. Published November 23, 2015

In this article we will talk about the main reasons why the engine does not develop full power.

Any car engine over time loses power. However, there are times when the internal combustion engine without any of the reasons dramatically loses its power by more than 15 percent. In such cases, it is necessary to diagnose the car engine, look for the cause of the power loss. With the loss of power by more than 15 percent, the car even on a flat dry surface of the road will accelerate with difficulty. The reasons for cutting power loss the engine is a large set. In this article we will talk about the main reasons why the engine does not develop full power.

The table below shows the main causes of car engine power loss.

Cause	Description
Early ignition.	The internal combustion engine can dramatically lose power due to earlier ignition. As a result, the fuel mixture will be born ahead of time, and the power of exhaust gases will go against the usual movement of the pistons. Accordingly, the crankshaft of the engine will slow down, and the motor will not work at full power.
Later ignition.	In the case of a later ignition, the fuel mixture simply will not have time to burn until the passage of the dead point is passing. As a result, the energy received from combustion will not be directed to the right direction, and the engine will not use it in full force.
Vacuum ignition timing regulator breakdown.	Incorrect opening of the throttle valve has the greatest effect on the frequency of motor revolutions. In the event of a malfunction of the diaphragm, the vacuum regulator will work with great difficulty. From this car engine will lose power.
Personal of the centrifugal ignition protrusion.	The engine power can also fall abruptly due to the malfunction of the centrifugal ignition lead regulator. When the engine is gaining momentum, centrifugal regulators will start to increase the ignition advance angle, while the weights will begin to eat, and the angle will not change throughout the entire operation of the motor. This will begin loss of engine power. Because of the same problem, a sharp overrun of fuel will begin, as the ignition will be earlier. All this is due to the fast stretching of the springs of the centrifugal regulator of the ignition protrusion.
Till landing valves.	If the valves are not tightly planted into the saddles intended for them, there will be no normal engine operation and will fall the engine power. Each single engine model has a clearance between the end of the rod and the pusher adjusting washer must have a certain size. In the event of an increase in the size of the gap, the tightness of the combustion chamber will be broken. Because of this, the engine power is sharply reduced. If the size of the gap is reduced, then the saddle and valve edge will begin to burn the saddle. The looseness of the landing of the valves is determined by shots. In the case when the shot goes into a carburetor, it means a loose fit of the inlet valve. If the shot goes into a silencer, then this means a loose fit of the exhaust valve.
Wear a piston rings.	A sharp reduction in engine power may occur due to the wear of the piston rings. In this situation, the compression in the cylinders will sharply decrease, and this will dramatically affect the power of the motor itself. Review the wear of piston rings can be quite simple. We need to remove the crankcase ventilation hose from Sapuna. In the case of the exit of smoke, we understand that the rings are worn. At the same time, smoke must resemble a pulsating dark jet.

If the ignition of the car engine is adjusted correctly, the ignition advance angle controller is working properly, then it is necessary to seek the reason for the sharp reduction in the engine power in the other. Experts recommend paying attention to the filing of the cylinder of the working mixture. The cause of this problem can be the penetration of the throttle. That is why motorists recommend more often to pay attention to the throttle drive. Next, you need to check the air filter and, if you replace it with a new one. The main causes of the lack of a working mixture in the cylinders are the following:

- large deposits of resin and coke in the inlet pipeline;

- too large nagar in engine cylinders;

- jealous needle valve in the float chamber;

- Applications of gasoline with octane number, which is not suitable for this model of the engine.

Experts recommend paying attention to the filing of the cylinder of the working mixture. The cause of this problem can be the penetration of the throttle.

Another reason for a sharp reduction in the power of the car engine is the intake of the poor working mixture into the engine cylinders. If a poor working mixture enters the cylinders, then the reasons may be the following:

Air surface. In places where the elements of the injector and the carburetor are connected, the air drum can occur in the event of damage to the gaskets or due to the weakening of the fasteners. Detection of such passes is performed by applying soap foam. Air transmittance can be removed by tightening bolts or by replacing sealing pads.
Frozening fluid. The cause of the poor working mixture in the cylinders can be freezing fluid in the power system. From this pollute the channels and jetings in the carburetor. In this situation, the malfunction can be eliminated by blowing jackets, channels and pipelines.
Blood clogging in the fuel pump. In the case of the air hole in the fuel pump, a poor working mixture will be formed in the engine cylinders. Such a fault can be eliminated by replacing the composite parts of the fuel pump and the cleaning of the air damper.
Breakthrough diaphragms. In the breakthrough of the diaphragms and the depleted valves in the fuel pump occurs a depleted working mixture. This problem can be eliminated.

Read 5 min. Views 607. Published November 23, 2015

In this article we will talk about the main reasons why the engine does not develop full power.

The table below shows the main causes of car engine power loss.

Cause	Description
Early ignition.	The internal combustion engine can dramatically lose power due to earlier ignition. As a result, the fuel mixture will be born ahead of time, and the power of exhaust gases will go against the usual movement of the pistons. Accordingly, the crankshaft of the engine will slow down, and the motor will not work at full power.
Later ignition.	In the case of a later ignition, the fuel mixture simply will not have time to burn until the passage of the dead point is passing. As a result, the energy received from combustion will not be directed to the right direction, and the engine will not use it in full force.
Vacuum ignition timing regulator breakdown.	Incorrect opening of the throttle valve has the greatest effect on the frequency of motor revolutions. In the event of a malfunction of the diaphragm, the vacuum regulator will work with great difficulty. From this car engine will lose power.
Personal of the centrifugal ignition protrusion.	The engine power can also fall abruptly due to the malfunction of the centrifugal ignition lead regulator. When the engine is gaining momentum, centrifugal regulators will start to increase the ignition advance angle, while the weights will begin to eat, and the angle will not change throughout the entire operation of the motor. This will begin loss of engine power. Because of the same problem, a sharp overrun of fuel will begin, as the ignition will be earlier. All this is due to the fast stretching of the springs of the centrifugal regulator of the ignition protrusion.
Till landing valves.	If the valves are not tightly planted into the saddles intended for them, there will be no normal engine operation and will fall the engine power. Each single engine model has a clearance between the end of the rod and the pusher adjusting washer must have a certain size. In the event of an increase in the size of the gap, the tightness of the combustion chamber will be broken. Because of this, the engine power is sharply reduced. If the size of the gap is reduced, then the saddle and valve edge will begin to burn the saddle. The looseness of the landing of the valves is determined by shots. In the case when the shot goes into a carburetor, it means a loose fit of the inlet valve. If the shot goes into a silencer, then this means a loose fit of the exhaust valve.
Wear a piston rings.	A sharp reduction in engine power may occur due to the wear of the piston rings. In this situation, the compression in the cylinders will sharply decrease, and this will dramatically affect the power of the motor itself. Review the wear of piston rings can be quite simple. We need to remove the crankcase ventilation hose from Sapuna. In the case of the exit of smoke, we understand that the rings are worn. At the same time, smoke must resemble a pulsating dark jet.

- large deposits of resin and coke in the inlet pipeline;

- too large nagar in engine cylinders;

- jealous needle valve in the float chamber;

- Applications of gasoline with octane number, which is not suitable for this model of the engine.

Experts recommend paying attention to the filing of the cylinder of the working mixture. The cause of this problem can be the penetration of the throttle.

Air surface. In places where the elements of the injector and the carburetor are connected, the air drum can occur in the event of damage to the gaskets or due to the weakening of the fasteners. Detection of such passes is performed by applying soap foam. Air transmittance can be removed by tightening bolts or by replacing sealing pads.
Frozening fluid. The cause of the poor working mixture in the cylinders can be freezing fluid in the power system. From this pollute the channels and jetings in the carburetor. In this situation, the malfunction can be eliminated by blowing jackets, channels and pipelines.
Blood clogging in the fuel pump. In the case of the air hole in the fuel pump, a poor working mixture will be formed in the engine cylinders. Such a fault can be eliminated by replacing the composite parts of the fuel pump and the cleaning of the air damper.
Breakthrough diaphragms. In the breakthrough of the diaphragms and the depleted valves in the fuel pump occurs a depleted working mixture. This problem can be eliminated.

During the operation of the injection motor, problems associated with a set of revolutions may occur. As a rule, such difficulties arise after installing HBO, but also there are other reasons. The following are malfunctions, due to which the injector loses performance on gasoline and diesel systems.

Nature of malfunction

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If the engine loses performance, firstly need to analyze how it manifests itself. For example, the engine ceases to spin suddenly or it happens gradually. It will be in plus to study also secondary symptoms.

The bad gain of turns of the engine may be the consequence of non-accurate repair, which was recently spent. When assembly, errors were allowed, so it affects. In these cases, finding the cause will be easy if you independently inspect the engine elements or return the machine to the service.

On the contrary, if the engine weakens for incomprehensible reasons, then it needs to be in-depth diagnostics. And breakdowns in such cases are possible different: simple and dangerous, sudden and gradual.

Thus, having learned the nature of the fault, we get the key to the rays. At the same time, it is recommended to compile a list of concomitant symptoms.

Causes of bad revolutions that car owner can fix himself

It is important to know that many factors affect the set of revolutions: the fuel supply, its ignition, the fullness of combustion, the composition of the TVS and the other. It is possible that bad revities are caused by problems in the ignition system. However, there are the most common reasons that I would like to consider.

The driver of the vehicle described above may establish independently. What he remains to do: check and clean the pump mesh and the pump itself, examine the air filter, measure the pressure in the fuel ramp pressure using a pressure gauge, and, of course, to inspect the ignition candles.

Complex faults requiring a specialist

Intelligence, for the correction of which specific knowledge is needed, professional equipment for diagnosis. They are a priori become a reason for a visit to a hundred. As a rule, in the first place in the registry of such problems - damage or "glitch" of electronics, nutritional problems and ignition. Here we are already talking about consumables, for example, candles, filters, but about nodes and details. Consider these malfunctions.

Sudden breakdown of the ignition assembly, when the extensive switches along the cylinders begin, the motor troit, the previous rhythm of operation begins.
The GHR phases were killed, the synchronous operation of the GRS mechanism was disturbed, valves open prematurely. Such problems arise mostly due to errors as a result of the replacement of the belt when the latter jumps. If the circuit is installed, it is possible to breakage it.
The control signal is not served on the nozzles or it is done with interruptions. As a result, the nozzle opens untimely, difficulties with ignition appear.
Completely in order. This malfunction is not manifested suddenly, is the result of a reduction in the performance of the high pressure pump, although if the electrical wire is damaged, the unexpected appearance of the problem is possible. As for the gradual decline in productivity, over time the pump begins to rock fuel weakly, the pressure is not enough for the operation of the motor in other modes.
Injector contamination also occurs over time. Especially relevant, if the refueling is carried out on the unverified gas stations, and the fuel quality remains in question. In general, in our conditions, cleaning nozzles should be carried out every 30,000 mileage kilometers.
In the injection engine there is an incredibly large number of sensors. Their incorrect work may affect the composition of the FVS, which ultimately leads to the unstable work of the motor itself, and, accordingly, the drop in revolutions.
The recirculation system in diesel injectors affects the engine performance too. At the same time, the operation of the catalyst and other systems is checked. For example, a dirty catalyst is badly removing exhaust gases, and the engine is simply "chips", it is not able to raise the revolutions when it is required.

And of course, the most common cause leading to a reduction in the turnovers of the engine, power loss and other issues is the lack of sufficient compression. It occurs due to the wear of the elements of the piston group of the engine. As a result, the internal pressure is reduced, part of the desired energy is simply spent at all.

During the operation of the car, many owners face a number of problems. One of them is to reduce engine power. It is not always clear what the cause of such a phenomenon to take action is to go to a hundred. Let's talk about the main reasons why the engine does not pull and how to troubleshoot the problem on your own.

The main reasons for reducing engine power

1. Crankshaft position sensor fault

There are situations where DCPV will defiantly sends the control command to supply the fuel-air mixture. As a result, the power of the power node falls in front of her eyes. The main cause of the failure is the shift of the gear star towards the pulley and the bundle of the damper. In such a situation, it is necessary to carefully examine the damper and replace it.

2. Increase (reduction) of the gap between the electrodes of candles

During operation due to the powerful temperature effect, the distance between the electrodes of the candle can decrease or increase. To exclude or confirm your suspicion, it is necessary to check the values \u200b\u200bof the gaps using a round probe. If the distance is less than or more permissible, you need to adjust the adjustment by selecting the side of the electrode or replace the candle. As for the optimal distance of the spark gap, it may be different (depending on the type of candle) - 0.7-1.0 mm.

3. Appearance of Nagar on Candlelight - another obvious sign of the problem

If the engine is bad, it is necessary to unscrew all the spark plugs alternately and to inspect them. When an explicit nagar appears on the electrodes, the device must be cleaned with a brush with a metal pile. It is important not to just clean the candles or replace them, but also to find out the cause of this phenomenon.

4. Frozening

Reducing the engine power may be caused by the failure of the product. In this case, it is necessary to test the performance of the candle on a special booth. If suspicions were confirmed, the only way out is to replace the set or one candle.

5. There is no gasoline in the tank

You can diagnose the problem according to the fuel level pointer. If he is faulty or there is a suspicion of its "inadequacy", then it is possible to determine the presence of fuel by removing the fuel pump.

6. Pollution of the fuel filter, freezing of water in the system, the fuel wire shift, the failure of the fuel pump

All these faults can be safely attributed to one category, because they all have the same signs - the starter turns the engine, but there is no smell of fuel from the exhaust pipe. If the car is carburetor, then the reason must be sought in the float chamber. Most likely, it is not fuel. In the case of an injector, the presence of fuel in the ramp is easier to check by pressing a special spool (installed in the end of the ramp).

To correct the problem, it is necessary to warmly warm the engine and pump the power supply system with the tire pump. After that, all the tubes of the system, hoses and gas station itself are changed.

7. The fuel pump creates too weak pressure

It is possible to determine such a problem exclusively by special measurements (made directly at the output of the fuel pump). After that, the quality of the operation of the fuel pump filter is checked.

The solution is to clean the filter of the fuel pump, its replacement (in case of impossibility of repair) or the installation of a new fuel pump.

8. Low contact quality in chains

Low quality contact in the circuit on which the fuel pump feeds or the failure of its relay. The first thing to be done to check is to make sure the mass on the car and make resistance measurements using a multimeter. If the resistance level is really overestimated, then the only output is to clean the contact groups, turn the terminals well or set the relay (if the old is defective).

9. Frave of the nozzles or malfunction in the supply system

If there is a suspicion of the failure of these items, it is necessary to check with the help of a multimeter resistance of the windings on the fact of the cliff or inter-touch closure. If the cause of the problem is a malfunction of the ECU, then such a check can be carried out solely on a hundred.

Eliminate the reduction of the engine power for this reason can be in several ways (depending on the depth of the problem) - install a new computer, clean all the nozzles, provide high-quality contact in the electrical circuit and so on.

10. Crash DPKV

DPKV breakdown - crankshaft position sensor or damage to its chain. In such a situation, the "Check Engine" engine malfunction lights. The first thing to be done is to inspect the integrity of the DCE itself, to make sure that the normal size of the gap between the gear crown and the sensor (it should be about one millimeter). The normal resistance of the sensor coil is about 600-700 ohms.

To solve the problem, it is enough to restore normal contact in the electrical circuit and set a new sensor (if the old one turned out to be faulty).

11. Fastered Dzhto

The DRP is a sensor controlling the temperature of the coolant. The symptoms of the fault are the following - the engine malfunction lamp lights up. If the cluster takes place, the system's electric fan begins to rotate continuously. In addition, it is necessary to check the health of the sensor itself.

If the engine power fell for this reason, it is necessary to restore the quality of the contact in the electrical circuit and install the new sensor.

12. FAED DPDZ

DPDZ failed - a sensor that controls the correct position of the throttle (or its chain). As in previous cases, the Check Engine lamp lights up here. If there is a breakdown in the DPDZ chain, the engine turnover is usually not reduced below one and a half thousand revolutions.

The solution to the problem is to clean the throttle assembly and restoring the quality of the contact compound in the entire electrical circuit. In the event that the sensor is faulty and cannot be repaired, it must be replaced.

13. Farmer DMRV

DMRV failed - the sensor responsible for controlling the mass flow rate of fuel. Here is the optimal action - checking the integrity of the DMRV or its replacement for a good device. If the DMRV breakdown was confirmed, then it is necessary to make an attempt to clean it, and in case of the impossibility of repair, it is easy to replace.

14. Cleaning the detonation sensor

Cleaning the detonation sensor. With such a malfunction on the instrument panel, a malfunction lamp will not light up. In addition, when the DD detonation fails, there is no detonation in any of the operating modes of the power node and also drops the power of the engine. With such a problem, the best option is to restore the integrity of the contact group in the electrical circuit and install a new sensor.

15. Fravel of oxygen sensor

Breakdown of oxygen sensor or violation of its chain. Such a malfunction is characterized by the lighting of the "Check Engine" lamp. At the same time, the first thing to be done is to check the heating helix for integrity. First, resistance is measured, and secondly - the voltage level at the output. Measurement can be done even without breaking the chain - it is enough to pour insulation using a needle.

To eliminate the fault, it is worthwhile to repair the oxygen sensor, restore the quality of the wiring and clean all the holes through which the air is suited. In extreme cases, it is necessary to replace the oxygen sensor itself.

16. Depressurization of the exhaust system

Diagnose such a problem is simply - sufficient to inspect the main elements while the engine is running on medium turnover. To solve the problem, it is necessary to replace the graduation collector gasket and stretch all seals.

17. failure of the ECU

The failure of the electronic control unit (ECU). Despite its reliability, the ECU can also break (sometimes it is simply knocked down by its software). To verify in good condition (output of the ECU), you need to believe the voltage on the block itself (the normal parameter is about 12 volts) or replace the well-serviceable block. If the control unit turned out to be faulty, it may be necessary to replace it. In some cases, it is enough to change only the wiring.

18. Violation of the adjustment of gaps in the valve drive

Make sure the parameters can be exclusively by checking with special probe. If the gaps are not suitable norm (written in the manual), then you need to make adjustments.

19. Deformation or breakage of springs on valves

In this case, you will have to remove the cylinder head and measure the length of the springs under load and in the free state. If the broken or deformed springs were detected, they need to be changed.

20. Waved camshaft camshafts

There is enough visual inspection (after removing the necessary elements) and replacing the camshaft if necessary.

21. Draked phases of gas distribution

In such cases, it is necessary to check the fact of coincidence of labels on the distribution and crankshaft of shafts. If there is a "loss", it is enough to establish the correct position on special tags.

22. Low compression levels in cylinders

Low compression level in all or some cylinders. Causes include probable damage to the valves or their wear, breakdown or loungeing piston rings. To make sure of suspicions or disprove them, it is enough to produce the necessary measurements. If the suspicion was confirmed, then it is necessary to repair the power node - to change the rings, pistons, or repair cylinders.

Output

Above lists only part of the faults, due to which the engine power drops. But in most cases it is enough to diagnose the problem, eliminate it and return to its "iron horse" so necessary traction.

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