It Happens that motorists are faced with the problem, when the engine of their car without any cause stalls directly during movement. The reason for this phenomenon can be several factors. In order to further minimize the risk to be in such a situation, in this article detailed discussion of the problem of motor systems and their solutions.
As already noted, there may be more than enough. If to consider in order to determine some of the most common.
Causes the engine stalls at idle can be identical to those as when the vehicle is in motion. But there are peculiar only to the work of the engine idling.
Frequently encountered problem – it is a violation of the condition of the idle sensor that is directly related to the action of the power unit in this mode. To independently verify the sensor state as follows. If at the time of starting the motor will not start, takes a few times to swing a gas pedal. When the unit start, you should remove your foot from the pedal and control the engine speed. If they are unstable and chaotic "float", the probability that the problem lies in the sensor is very large. To solve this type of fault by washing the sensor with ordinary WD-40, or install a new one.
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The second reason can be attributed to clogging of the throttle, you just need to rinse.
Particular attention should be paid and the position sensor the throttle. It can also help to ensure that deaf machine on the go, then it starts.
To Carry out correcting this failure is quite simple, just replace the sensor, which can be done independently.
The reason of unstable work of the engine at idle also includes weather conditions. Very often the power unit stalls when trying to warm car in the cold, which greatly complicates the execution of the process.
So, for example, the machine is on gas and stalling at idle because of peremerzaniya gas in the gearbox. This happens when you warm up the engine on gasoline but on gas. Pressure reducer equipped with heating and is connected to the cooling system. As the unit is still cold and coming into the reducer gas tends to cool off when the pressure changes, the icing and clogging of elements of the pipeline and parts of the gearbox. This factor does not allow the engine to idle steadily and without stopping.
To prevent freezing and trouble-free warm-up the engine must be warm gasoline to raise the temperature of the coolant. Craftsmen have adapted before starting the motor to warm up the gas reducer hot water from the kettle. This prevents premature freezing of the elements of the gas equipment until the engine is already warmed up.
Sometimes, the engine starts easily and some time is stable in all modes, but after some time stops. Incorrectly adjusted actuator of carb leads to an increase in the number of incoming fuel. Therefore, stalls the car, then start. The carburetor feeds the combustion chamber is too rich, which is non-flammable.
Excess of fuel level in the carburetor float chamber can also affect the operation of the motor. This is mainly disajustment of level of fuel, the needle valve blockage or wear. When repairing a carburetor is not recommended to replace only some of its elements, and fully install the new repair kit with subsequent adjustment of the carburetor.
There is another reason why stall the car (VAZ) – this state of the electromagnetic valve of the carburettor. To test the suitability is quite simple: you must turn on the ignition, then remove the terminal from the valve and connect it back. If the valve is OK, when I connect the terminals, you will hear a click in the valve body. When the click is not forthcoming, try setting on the carb the other valve.
If the car stalls at idle, the injector can also be the cause of failure. Often this is facilitated by disruption of the normal fuel mixture, the violation of vacuum and air leak in the intake manifold after the sensor of air consumption.
Change the optimal position of the throttle and a faulty oxygen sensor. Clogged fuel injectors and insufficient pressure of the supplied fuel, and a malfunction of the fuel pump, clogged fuel filter, broken pressure regulator can influence the fact that the car dies on the move. The causes can hide in the engine cooling system, and more specifically, in the thermostat. If it is faulty, it is possible to an insufficient warming-up the engine to operating temperature. However, this applies to all engines. Defective temperature sensor coolant can incorrectly inform the onboard computer on the temperature state of the coolant and to break the normal operation of the power unit.
There is a probability that the engine stops due to a failure in the electronic control unit. Incorrect installation of programs or a failure in the process of operation causes problems in various engine control systems. This problem may occur with a certain frequency or when changing operating modes while driving. That's why deaf machine on the go even with healthy mechanics.
Clogged and faulty catalyst can also affect the operation of the motor. To determine a clogged catalyst or not, is quite simple. You would need to warm up the engine, preferably at a high speed. Then from a pit to inspect the device without the use of additional lighting – if they will glow, which means that it has pollution and bad passes exhaust gases.
When the car stalls on the move, then start ("prior" for example) - the problem may be hiding in the exhaust gas recirculation valve (error Р1406). In case the exhaust valve will get jammed in the half-open position, the engine will not develop full powerful...
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ZH: https://tostpost.com/zh/cars/10354-why-stop-the-car-then-start-the-reasons-troubleshooting.html
Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."
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