VAZ-21124 jerks when accelerating: what's the problem?

What is the reason for the strange behavior of the car VAZ-21124 during acceleration and quiet driving, of interest to many motorists. The unexpected jerking on the climbs and the descents cause them to worry about the technical condition of the vehicle. Nobody wants to have problems on the roads, and God forbid that the deficiency was the root cause of the accident. Consider the most common causes that may directly or indirectly be related to this problem.

Jerking the car can be divided into three types:

• Jerking at the beginning of the movement of the car VAZ-21124;
• When driving the car jerks;
• Overclocking.

To determine the causes of these faults, you may need special equipment, which can be found in the service. However, practice shows that the causes of tremors and twitching of the machine can be set. And they may not necessarily be caused by insufficient amount of fuel in the fuel rail or malfunctions of the position sensor throttle.

Preventive action is better than repair

But first, you need to find the answer to the question of why VAZ-21124 jerks during acceleration. Mean, like, not quite the usual question. But in fact such twitching is not funny. Especially scary beginning to feel, when VAZ-21124 jerks during acceleration and turns on a check. Trouble has become a reality.

Long known any damage is easier to prevent than to eliminate. So try to pay more attention to your vehicle while driving. And here comes the problem: not every driver can feel the car in time to determine the cause.

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It is worth to determine the order of the actions:

1. Check car jerking when driving at idle is unacceptable. You should do it only when driving.
2. Validation should begin very smooth and devoid of the danger of the track section, where there is no turbulent motion.
3. To test start it in turns to carry out the gear change by pressing each one on the gas pedal.
4. If the vehicle starts to twitch without your participation, therefore, the root cause of the problem you need to look into this problem.

Causes

Why VAZ-21124 jerks when accelerating? You began the test, increase the revs and the car starts to shake and twitch.

The course has lost smoothness. What's the problem? In an unstable supply of auto fuels. In other words, it comes back periodically. Since the fuel in the car delivers a fuel pump, you will most likely need to look in it.

How to cure car?

First we need to conduct a diagnosis of the fuel pump:

• Remove the cover and inspect visually, focusing on the place near the valve;
• In the absence of o-rings, take steps to address deficiencies.

In this case, the depressurization of the fuel pump, and began to be shortages of fuel. This is exactly the fault of the car. After restoring the tightness of the car VAZ-21124 (16 valves) start again to move smoothly on the road. Replacement o-rings can hold their own, the main thing is to find the right ring and tools.

The duration of this work takes about 5 minutes. So to find the problem why VAZ-21124 jerks during acceleration, not so hard.

Problems at low speeds

Consider the jerking at low speeds. In the case of the VAZ-21124 jerks when accelerating at low revs, necessary diagnostics of injectors and harness. If it is located on the fuel tube, there is a possibility that he could peretiraetsya that may cause a short circuit of the wiring and disconnection of injection nozzles. Solution - a complete replacement of wiring. Do not ignore this problem as it can lead to big trouble.

Twitch auto – check the spark

Often the fault of the vehicle associated with the formation of sparks and therefore starts to behave oddly.

It is easiest to determine the problem when walking down hills or on a fairly flat plot. To prevent reason you need to check the plugs (VAZ-21124). In the event of their failure, overheating or an unstable – to replace. The price of candles (VAZ-21124) is about 700 rubles per set.

So, what are your actions if the car starts to jerk when pressing on gas. In order to fix the problem, you will have to find her first. For example, if a car goes on gas, the problem may lie in the vacuum regulator.

Where is this item?

It is located on the distributor. Upon detection of a broken regulator will not help and replacement carburetor. Most likely to fix the problem will help replace the controller.

The Next culprit periodic twitching of a car can be a spray accelerator pump. To prevent breakage should be removing the diffuser and the pressing of a lever to evaluate the performance of the pump in each chamber. If at least one of them there is an unstable work – it isthe reason for the fact that VAZ-21124 jerks while driving. Complete removal of spray for the cleaning and blowing will help to solve this problem. After the procedure, the cleaned item must be set back. If this was the main reason for the jerking of the car, then the problem is solved.

VAZ-21124 jerks during acceleration. Perhaps it is the fault of the diaphragm

To such shocks could trigger insufficient amount of fuel, which are the most basic blockages of fuel filters.

To determine the technical condition of the filters have to disconnect the rubber hose and make the blowing of the grid.

If the specified action is not necessary to forget, that the fuel cap needs to be removed.

After some time the procedure must be repeated, and the cleaning filter you want to add washing the fuel tank. These actions will help to avoid the following clogging and extend filter life. If the cause is not eliminated, and the car still twitches – pay attention to the fine filter. You may even have to replace it with a new one. For the unhindered access of the fuel and the tank must be filled with their specified item and start the power unit. This requires the hose to the fuel to change to a translucent tube and start the injection of fluid into the filter. In conclusion, install all the parts back and make few taps on a hand pump. Only after the plant engine can check his work. The specified action contributes to the rapid filling of the filter with fuel.

Actions of the driver in case of jerking the car with the carburettor engine

Causes of twitching the car is a legacy filter. If this issue happened to you in the way, then the best solution would be contacting the shop. The best way out of this situation will be their replacement.

The cause of the twitching – control unit

The Alleged cause of the tremors lies in shifting. To understand the essence of twitching hard enough.

So if you noticed that VAZ-21124 jerks when accelerating or driving – better to go to the shop for diagnosis. The autofocus easily help to determine why, because the lift is much easier to see the problem. The movement of the machine is idle, allows you to understand not only why the car is constantly pushing, but also to monitor the smoothness of the revs. Sometimes this problem is much harder than it looks, and its detection will need to create special conditions of use, which is quite impossible to carry while riding.

The Twitching of the car when a normally operating engine

This indicates that the engine is OK, and the problem lies elsewhere. In this case, test the following points:

• Reliability of fastening of the power unit;
• The test stands for integrity;
• The strength of fastening of wheels.

If the problem is not found - will have to look for specialists for the diagnosis and for some time to stop riding in cars.

Insights

As you can see from the above, causes twitching of the machine during its operation quite a lot.

And do not necessarily need to be expert on automotive Affairs. Minor damage in your car have to fix any. If you notice strange behavior of the car, including shocks, with twitchings, be sure to consult the service centre or ask the professionals automotive business, which have behind shoulders not one year of practice.