Adjusting the throttle cable on VAZ 2113, VAZ 2114, VAZ 2115

The VAZ 2114 throttle valve is an important engine component that provides a dosed supply of purified air to the engine, thereby ensuring the saturation of the fuel with oxygen to ensure its active combustion.

Finding this element is not difficult. To do this, you will need to open the hood of your car, find the air filter and the black pipe for supplying air to the engine. Run your gaze in the direction of air movement (from the filter) closer to the windshield, determine the location of its connection with the metal element with the tubes connected to it. This will be the throttle assembly.

What is a throttle valve and where is it located?

The main purpose of the damper is to supply the optimal amount of air to the cylinders for the fuel combustion process. If this mechanism is corrected, the engine will operate stably and produce rated power; any deviations cause instability in the operation of the power unit and other systems.

In the VAZ-2114 car system, this mechanism is located between the air filter and the intake manifold. Maintenance and replacement of the damper is complicated by the fact that it is simply impossible to get close to it. It is necessary to dismantle the entire mechanism and then disassemble it.

The design of the remote control includes the following elements:

• remote control position sensor;
• coolant outlet pipe;
• coolant supply pipe;
• RXX;
• ventilation and vapor recovery system tube.

The electronic throttle valve of the VAZ-2114 works according to the following principle: the valve opens in accordance with the pressing of the accelerator pedal. At the same time, the unit receives signals from various system sensors, on the basis of which it opens or closes the remote control to achieve the required power level by the engine. This regulates the supply of the optimal amount of air to the cylinders and the amount of fuel injected.

E-gas VAZ 2114 problems

Often the main disadvantages of electronic gas are these aspects:

• Delay in the car's response to pressing the accelerator pedal.
• Problems with floating speed, gas sticking and self-actuating.
• Impossibility of quick car tuning.

The delay is formed due to the fact that the signal from the pedal is first transmitted to the ECU and only after processing, the electric drive on the damper begins to smoothly change its position. In newer cars, this delay has been reduced thanks to better software and faster hardware. The e-gas equipment of the VAZ 2114 can also be reflashed, increasing the power and pedal response speed, but lowering the environmental standard to EURO-2.

Repair e-gas VAZ 2114

In early versions, motorists often encountered incorrect operation of the e-gas, the speed fluctuated, there might be no reaction to the gas at all, or there could be sudden jumps in engine speed. All this was the result of faulty wiring made by AvtoVAZ; if such faults occur, it is better to replace it with a braid from PES SKK.

Symptoms of DZ malfunction

The throttle mechanism quickly becomes dirty due to the fact that it is located in direct contact with combustion products. Plus, during the operation of the car, natural contamination of the internal protection occurs with various inclusions that enter through the filter membrane. Dust and dirt reduce the movement of the damper, the thermal gap decreases, and in turn the channel capacity decreases.

You can understand that the throttle valve needs cleaning by the following signs:

1. During frosts, starting the VAZ-2114 engine is very problematic, and when starting the engine you can’t hear the smell of exhaust gases. In a closed room you can often hear the strong smell of gasoline.
2. Due to the lack of air-fuel mixture in the engine cylinders, vibration occurs when the power unit is started, and at low speeds the vehicle jerks.
3. There is no smoothness when releasing the gas pedal and when switching from high to low speeds.

If similar symptoms of a malfunction begin to appear, then it is likely that the throttle mechanism has reached its critical level of contamination and requires prompt cleaning.

ABOUT THE CONSTRUCTION OF THROTTLE VALVES

Many people believe that it is only a plate that rotates at a certain angle. But this is far from true; this mechanism is a device consisting of many parts. Among the most important are the following:

• Remote control housing;
• DZ turning unit;
• A sensor that indicates its position;
• Sensor that regulates engine idle speed;
• Remote control control unit (module).

The design of the throttle assembly
All this together makes up the throttle assembly of the VAZ 2114.

Instructions for dismantling the mechanism

Replacing the throttle valve on a VAZ-2114 does not require any special professional skills, so even a novice driver can carry out all the work. To carry out the work, you need to arm yourself with all the necessary equipment: a 13mm socket wrench, screwdrivers, cleaning agent.

The procedure for removing the remote control is as follows:

see also

1. The plastic cover is removed from the top of the motor, and the hoses that provide ventilation are detached.

• It is also advisable to make sure that lubricant residues are in the air pipe; this will indicate that the mechanism really needs urgent cleaning.
• Then you need to remove the cap that covers the expansion tank to reduce pressure in the system, remove the clamps with fasteners and disconnect all supply hoses.

The final step in the throttle body removal process is to remove the hose that vents the fuel tank, disconnect the cable, and release the two bolts. When the mechanism is dismantled, based on a visual inspection, a conclusion can be made about its level of contamination. Then proceed to complete or partial cleaning of the throttle valve.

Cleaning the throttle valve VAZ-2114

The cleaning method also depends on the degree of contamination of the device. If there is a small accumulation of dust and dirt, you can get by with superficial cleaning. To do this, it is best to use any cleaning agent, such as alcohol or solvent, and you will also need a brush. The throttle valve hole is sprayed with alcohol, then cleaned with a brush and it is advisable to go over the top with a household rag.

It is worth thoroughly cleaning both the external and internal components of the mechanism. However, it is worth noting that with this method it will not be possible to completely remove all accumulations of combustion products of the fuel-air mixture. In case of severe contamination, it is worth resorting to complete removal of plaque.

To do this, just do the following:

1. Arm yourself with additional available tools in the form of a Phillips screwdriver, a socket wrench, and cleaning sticks in hard-to-reach places.
2. The damper holes must not only be washed and cleaned with a cleaning agent, but it is also advisable to blow them out.
3. Remove and clean the auxiliary sensors, disconnect the idle speed sensor.
4. Wipe the surface of each mechanism with alcohol and reassemble in reverse order.

The VAZ-2114 throttle valve with an electronic pedal is one of the most important components in the vehicle’s power system. When cleaning it completely, it is necessary to carefully treat all components.

Many owners of the “fourteenth” complain that the car’s engine is unstable when changing gears. Often the fault is with the transmission or contamination of the remote control. But, as practice shows, repairing the gearbox and cleaning the throttle does not eliminate the problem.

The reason is the fact that many cars left the factory with a slight throttle defect. During cleaning, the best time to fix this problem and upgrade the mechanism.

How to adapt the gas pedal?

We carry out the procedure after repairing or replacing the computer.

1. We connect the battery.
2. Next, we adapt the ignition diagnostic function: we accelerate in second gear and brake with the engine at 4 thousand rpm. Up to 1 thousand rpm — we must perform this operation six times during one trip.

Adaptation of the diagnostic function is necessary to preserve the catalyst and possible fire.

• 23-03-2018
• 161 340

Jerking when changing gears or when starting the car. In some cases, adapting the throttle valve zero and adapting the misfire diagnostic function will help solve these problems. The adaptation process does not require special equipment and can be done with your own hands.

Useful video

In the video below you can watch the process of dismantling the throttle valve:

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Please tell me who I can contact to loosen the throttle.

The problem is that after watching enough videos on the Internet about MD tuning, I decided to do the same, I drove normally for a couple of days, and then the joy ended, the car began to glitch, when the car was cold, it began to raise and lower the speed on its own until it warmed up. ¶

ABOUT THE PRINCIPLE OF OPERATION OF THIS UNIT

Before we begin to consider the operating principle of this device, it should be said that two types of such products are produced. This is a mechanical and electronic throttle. The first type of device is considered obsolete and is used on injection engines of VAZ classics.

The operation of the latter design is carried out through the joint actions of sensors that exchange signals with the on-board computer, and it issues an algorithm for controlling the damper and engine, respectively.

How to properly clean and flush the throttle valve on a VAZ 2114

Any component in a car becomes clogged after some time and needs a good cleaning and rinsing. The throttle valve is no exception, which, as a result of contamination, causes the car to behave differently. In general, it is recommended to clean the throttle every 60 thousand km. or even better, partially disassemble this assembly and carefully examine it. On a VAZ 2114, like on any other car, everyone can clean the damper themselves in their garage or at home.

Throttle valve VAZ 2114

On the VAZ 2114, the throttle valve is located in front of the intake manifold and is needed to regulate the air entering it. When you press the gas pedal, the flap connected to it by a cable opens. Engine power depends on how much and how quickly air comes in (in other words, how much air-fuel mixture is in the cylinder), although more fuel will be consumed. That is, the throttle is necessary to control the output power of the machine’s power unit.

What types of TPS are used on the VAZ 2114, and where is it located?

On a VAZ 2114 car, they use a throttle sensor, or “Omega”. They are the ones who have gained the greatest popularity among other manufacturing companies. According to reviews from the owners of this VAZ model, DPDZ “Kursk” and “Omega”, they have the longest service life and are the most reliable.

Also, reliable TPS devices include a non-contact sensor, . Thanks to its design, the chance of a malfunction occurring is much less than that of resistor options.

The throttle sensor is located in the engine compartment of a VAZ 2114 car. It is part of the throttle assembly mechanism and is attached to the surface of the throttle valve, which changes position simultaneously with the sensor, since they are located on the same axis.

When to clean the throttle body

It is not difficult to determine the condition of the throttle on a VAZ 2114. You only need to pay attention to the following signs:

1. When you release the gas pedal, the engine clearly does not switch from high to low speeds as before, that is, the engine completely stalls or tries to restore speed.
2. It becomes difficult to start the engine in cool weather. Often, when starting the engine, drivers feel not exhaust gases, but gasoline, and even the engine needs to be cranked with the starter for a long time.
3. The engine jerks at low crankshaft speeds.

The cause of throttle blockage is a mixture of oil or dust with air entering through the air filter. This mixture coats the inner surface of the damper, mainly in its movable area. Due to a clogged idle speed control rod, the thermal gap is reduced, and accordingly, the throughput of the channel is reduced. It is important to remember that cleaning the throttle valve begins only after the engine has completely cooled.

Cleaning the throttle valve VAZ 2114

When and how to do it yourself

When to do it

adaptation of the throttle valve zero and adaptation of the misfire diagnostic function:

• After replacing the ECU controller or resetting the controller using a scan tool.
• After replacing the throttle assembly.

Throttle zero adaptation procedure

:

• When the car is stationary, you must turn on the ignition, wait 30 seconds, turn off the ignition, wait until the main relay turns off.

Adaptation will be interrupted

, If:

• the engine turns over;
• the car is moving;
• the accelerator pedal is pressed;
• engine temperature is below 5 °C or above 100 °C;
• Ambient temperature is below 5 °C.

Adaptation procedure

Misfire diagnostic functions:

• warm up the engine to operating temperature (parameter value “Coolant temperature” = 60...90 °C);
• accelerate the car in 2nd gear until higher crankshaft speeds are reached (parameter value “Engine crankshaft speed” = 4000 min-1) and perform engine braking (“Engine crankshaft speed” = 1000 min-1);
• Perform engine braking six times in one trip.

This adaptation procedure is specified in the technological instructions for LADA cars.

How to remove the throttle assembly

The throttle assembly on a VAZ 2114 is removed as follows:

1. Disconnect the battery terminal. Drain the liquid from the radiator (partially, just to ensure trouble-free removal of the cooling system pipe from the throttle body).
2. Disconnect the ventilation system pipe.
3. Disconnect the wires from the throttle sensor and idle air control.
4. Disconnect the intake pipe pipe.
5. Disconnect the inlet pipe and the outlet pipe oh. liquids.
6. Disconnect the throttle valve drive.
7. We unscrew the nuts securing the throttle assembly and remove it with the gasket.

Removing the throttle valve VAZ 2114

How to clean the throttle assembly, including the valve.

Clean the throttle assembly on the VAZ 2114 using any means in aerosol cans (VD-40, for example), carburetor cleaners, etc. Cleaning should be done at least twice, and the second time only 15 minutes after the first. In this case, you should not use metal brushes, as this can significantly damage the unit.

The assembly should be washed thoroughly, not forgetting any channel and the throttle valve itself. We especially concentrate on the forced crankcase ventilation channel, which is often the most contaminated. You need to unscrew the idle speed sensor so that it does not interfere, because the sensor closes the internal channels, which also need to be washed. Moreover, the idle air control itself may be faulty due to clogging and should also be cleaned. If the rod jams or there is play, a replacement is needed. By the way, the throttle gasket also needs to be replaced with a new one.

The throttle valve is installed in the reverse order, and then the functionality is checked. With the right actions, engine response and traction increase, fuel consumption decreases, and idle speed becomes more stable as before. That's all!

Once the throttle assembly is installed, there is no need to adjust the idle speed control. It itself is installed in the desired position during normal movement of the VAZ 2114. Also, you should not clean the throttle valve without removing it, which is fraught with serious consequences.

It is also necessary to ensure that the throttle sensor is in good working order. A faulty position sensor can damage the engine, because the system thinks based on indicator data.

E-gas malfunctions

Sometimes the cause of malfunctions is a breakdown of the idle speed sensor on a VAZ 2114 with an electronic gas pedal, also called IAC. If the ECU indicates an error and the engine idle speed is too high and does not drop, mostly 2000, then the throttle assembly needs to be replaced, or you can try cleaning the terminal contacts.

Malfunctions of the electronic gas pedal of the VAZ 2114

If the electronic pedal is faulty and does not respond to pressing the accelerator pedal, and the engine speed is frozen at around 2000 rpm, do not despair and call a tow truck. With such a problem, you can move around, carefully releasing the clutch, slowly but surely you can get to your home or service center.

If you have some kind of malfunction related to the electronic gas pedal, then in the control unit you will most likely be able to find the following error codes:

1. P2122 - indicates low voltage of the accelerator pedal position sensor. This sensor works on the principle of changing its resistance, and the ECU, passing current through it, recognizes it and, based on this, knows the position of the pedal. Low voltage corresponds to high sensor resistance. This can be solved by cleaning the contacts, soldering them, or replacing the pedal assembly if that doesn’t help.
2. 2123 is the reverse error P2122, the voltage on the same sensor is too high. A breakdown or short circuit in the wiring, as well as failure of the sensor, is possible.
3. 2127 – low signal level of the second accelerator pedal position sensor. Since this unit is quite responsible and performs an important function, it uses two sensors for accuracy and reliability. They are located in the same building, the sequence and methods for eliminating the error are the same.
4. 2128 is a clone of error code 2123, only it is responsible for the second sensor.
5. 2138 - the code indicates a discrepancy in the readings of these two sensors; perhaps contact has been lost with one of them or it has broken down. To solve the problem, you also need to clean the contacts, check the wiring for serviceability and test the pedal itself. The test consists of measuring the resistance of both sensors in different pedal positions and comparing the readings. If they are different, you need to change the pedal assembly.

Pinout e-gas vaz 2114

Nowadays, the electronic pedal has been worked on and most of the problems have been solved, now it works without failures, but fans of fast driving still flash their ECUs, noting improvements in the car’s response to the pedal.

This is primarily due to the fact that manufacturers are forced to impose restrictions from the factory in order to comply with EURO standards and increase engine life. Amateur firmware removes these restrictions, allowing the control unit to open the damper faster.

In Samara, and in particular with the electronic gas pedal of the VAZ 2114, problems were often encountered on models of the first years of production; after some time, the shortcomings were corrected and at the end of production, copies with reliable e-gas rolled off the assembly line.

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For many this is new. Perhaps you are reading about this for the first time. The fact is that many drivers complained about e-gas, system malfunction, etc. Subsequently, AvtoVAZ issued an information letter that contained instructions for adapting e-gas. When repairing a car (replacing the controller, or after removing the battery), you need to adapt the electronic gas pedal.

How to clean and flush the throttle valve?

Washing and cleaning both the throttle valve and the entire assembly is not a difficult task. But nevertheless, many car owners do not know how to clean correctly, why to clean and when to clean, and having only a little experience in car maintenance, they are afraid to climb under the hood and do anything with their own hands.

In this article we will analyze the entire procedure for flushing the throttle assembly, and I hope that the typical car owner will no longer have all the questions about performing this operation.

When and how to do it yourself

When to do it

adaptation of the throttle valve zero and adaptation of the misfire diagnostic function:

• After replacing the ECU controller or resetting the controller using a scan tool.
• After replacing the throttle assembly.

Throttle zero adaptation procedure

:

• When the car is stationary, you must turn on the ignition, wait 30 seconds, turn off the ignition, wait until the main relay turns off.

Adaptation will be interrupted

, If:

• the engine turns over;
• the car is moving;
• the accelerator pedal is pressed;
• engine temperature is below 5 °C or above 100 °C;
• Ambient temperature is below 5 °C.

Adaptation procedure

Misfire diagnostic functions:

• warm up the engine to operating temperature (parameter value “Coolant temperature” = 60...90 °C);
• accelerate the car in 2nd gear until higher crankshaft speeds are reached (parameter value “Engine crankshaft speed” = 4000 min-1) and perform engine braking (“Engine crankshaft speed” = 1000 min-1);
• Perform engine braking six times in one trip.

This adaptation procedure is specified in the technological instructions for LADA cars.

Signs of a dirty throttle body

The most common symptoms associated with a dirty damper:

• poor or unstable engine starting “every time”;
• unstable idling, speed fluctuates;
• when driving at low speeds, the car twitches;
• Difficulties at idle, engine stalls at idle.

All of these signs indicate a dirty throttle body. But don’t rush to draw conclusions and rush to clean the unit, because... the same signs may indicate a malfunction of some sensors: IAC, TPS - these sensors are located on the throttle assembly and may be faulty. In particular, high-quality flushing of the throttle assembly can cure these sensors, but not a fact (by following the link, you can check, clean, replace the IAC, check the TPS, repair and replace it). Also, a faulty mass air flow sensor has similar symptoms. It is advisable to clean the throttle assembly at intervals of 30 thousand km.

Flushing the throttle valve.

In this article we will describe two types of throttle valve cleaning:

These two types differ in the degree of difficulty of cleaning and, accordingly, in quality.

Surface cleaning:

The essence of this cleaning is that we will not completely disassemble the entire throttle assembly, but will go over the valve with a cloth and remove surface dirt.

For work we will need:

• Any cleaning product . carburetor cleaner, alcohol, solvent, gasoline, wd-40. They differ only in the degree of “removability” of dirt and that’s all.
• Rag.
• Brush.

First of all, we remove the air filter bell from the throttle valve, take our cleaning agent and spray it inside the throttle valve. We begin to clean the surface with a rag and brush. Also, do not forget to open the damper itself and clean it from the back side. This completes our process; we reinstall the air filter pipe and that’s it. But with this cleaning method, we will not be able to completely clean all the insides of the throttle valve, we will not be able to blow through all the holes and channels, so it is better to use a complete cleaning.

Complete throttle body cleaning

To completely clean the damper, in addition to a rag and cleaning agent, we will need:

1. Flathead, Phillips screwdriver.
2. Throttle valve gasket (for 1.5L) and receiver O-ring (for 1.6L) (approximate cost 20-50 rubles).
3. Cotton buds.
4. Socket wrench set to "13".
5. 2 M13 bolts.

In this case, we need to completely remove the throttle assembly and clean it from all sides.

1. In order to remove the unit, disconnect the air filter corrugation and remove the ohm pipes. liquid (in the Murzilka it is recommended to drain the liquid before starting work, but do not waste time on this by removing the pipes from the throttle - just plug them with bolts so that the liquid does not spill out), remove the adsorber pipe.
2. Disconnect the throttle assembly mount, remove the throttle cable, and remove the throttle assembly. If you require a more detailed description of removing the throttle assembly, then read the article: How to remove the throttle assembly, valve?
3. Having removed the throttle valve, we disconnect and clean the IAC sensors (how to clean IAC), TPS and completely wash the damper on all sides with a cleaner, be sure to blow out all the holes with compressed air.
4. Then we install everything back, not forgetting to put in a new gasket.

Characteristics of the throttle position sensor

The purpose of the sensor is to regulate the volume of air flow that enters the motor. This air is used to form a flammable mixture.

Where is the sensor located in the car?

In order to diagnose the device if necessary, the car owner needs to know where the TPS is located. The controller is installed in the engine compartment. It can be seen on the side of the throttle line on the axis of the valve itself.

Controller location on the throttle

Device design

Structurally, the device includes the following:

1. Controller housing. This component is made of heat-resistant fiberglass. The housing is equipped with two flanges, which are used to secure the controller to the throttle assembly.
2. A connecting device equipped with three contacts. This component is integrated with the controller housing.
3. A resistive device made of ceramic.
4. Current collecting element. This component is designed to provide electrical contact with the resistive part.
5. Collet clamp, equipped with a slot.
6. Rubber gasket. Used to mount the controller on the axis of the throttle assembly.

Purpose of the throttle position sensor

The controller itself is responsible for correctly identifying the position of the valve on the throttle assembly. Its readings affect the operation of the fuel supply system. The power unit, in accordance with the device values, adjusts the volume of supplied gasoline under a certain operating mode. The TPS is used to convert the angular position of the throttle valve into DC voltage.

Features of the device:

1. The data transmitted by the controller makes it possible to calculate the amount of damper opening. The information received by the control module ensures the calculation of the main control parameters of the power unit. Moreover, the data is determined taking into account the type of vehicle driving.
2. The device itself is a potentiometer equipped with a current collector. The latter is used to move along a set sector radius, ranging from 0 to 80 degrees. When installing the device, the axis of this structural element must be connected to the drive of the throttle unit.
3. The output resistance parameter of the potentiometer can change depending on the pressure on the gas pedal. Depending on its position, the degree of opening of the valve unit also changes.
4. The controller is powered by supplying a stabilized voltage. The value comes from the control module and should be around 5 volts. A deviation of 0.1 V up or down is allowed.

Device technical parameters

Main technical properties of TPS controllers:

1. The voltage to power the device is supplied to two pins - 1 and 2.
2. The amount of resistance that forms between pins 1 and 2 ranges from 1.8 to 2 kOhm.
3. The opening parameter for a fully closed node damper is from 0 to 2%.
4. The voltage that is supplied to outputs numbered 3 and 2 when the damper is closed ranges from 0.25 to 0.65 volts.
5. The valve opening value is more than 90 degrees.
6. The voltage parameter supplied to pins 3 and 2 at full throttle ranges from 3.9 to 4.7 volts.
7. The number of complete activation cycles of the device during its operation is at least one million.
8. The calibration property of the dependence of the output voltage parameter on the rotation angle is linear. It is measured in the range from 0 to 100 degrees. The voltage ranges from 0.25 to 4.8 volts. The slope of the characteristic varies around 48 mV.
9. The controller operating area parameter is in the linear range of the characteristic in the range from 10 to 90 degrees. This corresponds to the opening value of the unit damper at an angle from 0 to 100 degrees. The slope value varies around 39 mV.

Varieties

There are two main types of devices:

1. Film-resistive sensors. This type of controller is usually installed standard during car production. The average service life of film-resistive devices is approximately 55 thousand km. But in fact, they fail more often.
2. Contactless type of devices. Such TPS operate on the basis of a magnetic-resistive phenomenon, the Hall effect is used. The price of contactless sensors is higher, but their service life is long. These devices are more reliable and therefore rarely fail.

Andrey Seromolotov showed how a machine engine works with a contactless TPS.