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List of the catalog of this article:

• 1,European Cup live What is the reason for engine idling jitter
• 2, What is the reason for the idling jitter of the car?
• 3, What is the reason for the idling jitter of the car engine
• 4, The idle jitter of the vehicleCauses and how to deal with
• 5, 4 common reasons for idling jitter

What is the reason for engine idling jitter

1. The closure is not strict. When idling, the EGR valve is not closed tightly will cause a large number of The exhaust gas re-enters the cylinder, causing a change in the concentration of mixed gas. In addition, the intake volume is already low at idle. The introduction of this part of the exhaust gas will cause violent fluctuations in idle speed, accompanied by engine shaking.

2. Seven major reasons for engine shaking. The air filter is dirty: The air filter is designed to protect the engine and reduce wear. Generally, it is replaced after about 10,000 kilometers. If the replacement is not timely, it will cause insufficient air intake and low idle speed, which will cause the engine to shake. As long as the filter is replaced, it can be solved.

3. The idling shaking of the car engine is caused by the following reasons: insufficient temperature in the engine: when the temperature in the engine is insufficient, the temperature of fuel and lubricating oil is also insufficient, and it is necessary to increase the amount of fuel injection to meet the power demand. At this time, the spark plug gap is large and the ignition energy is small, resulting in the engine idling and shaking.

What is the reason for the idling jitter of the car?

The use environment of the vehicle and the main operating state of the vehicle determine the greatest possibility of idling jitter for vans. The reason is not the carbon accumulation, but the engine foot glue and ignition system.

If the vehicle shakes seriously in the idling state, the reasons are too much carbon accumulation inside the engine, the ignition system failure, the aging of the internal parts of the engine, and the unstable oil pressure. Corresponding repairs should be carried out according to the specific reasons.

[Pacific Automobile Network] The reason why the car is idling is that the car is equipped with a three-cylinder engine, the fuel injector is blocked, the engine accumulates too much carbon or the gasoline filter is too dirty. Usually, the idling jitter of the car is unstable under idle conditions, and the tactometer pointer floats up and down, which is very unstable.

There are many reasons for vehicle idling jitter. Common causes include spark plug problems, fuel quality problems, excessive carbonization or aging of the engine, aging of engine feet, etc.

Causes for unstable jitter at idling speed of the car 1: The mixing ratio is not suitable, resulting in jitter. If the oil-gas mixing ratio in the engine compartment of the car is not accurate, the car is easy to shake.

What is the reason for the idling jitter of the car engine

The main reason for idling jitter: serious engine carbon accumulation: cars always have the problem of carbon accumulation, including cylinder carbonization, throttle valve carbonisation, spark plug carbonization, intake carbonization, etc.

The idling shaking of the automobile engine is caused by the following reasons: insufficient temperature in the engine: when the temperature in the engine is insufficient, the temperature of fuel and lubricating oil is also insufficient, and it is necessary to increase the amount of fuel injection to meet the power demand. At this time, the spark plug gap is large and the ignition energy is small, resulting in the engine idling and shaking.

The main reason for the shaking of unstable idling vehicles: serious engine carbonization: cars always have carbon accumulation problems, including cylinder carbonization, throttle valve carbonization, spark plug carbonization, intake carbonisation, etc.

The car engine shakes when idling, in this caseGenerally, it is caused by the following situations: the throttle valve is too dirty. The engine is idling after the car is started. At this time, the air needs to constantly pass from the throttle to the cylinder and the gasoline burn.

The main reasons for unstable idle speed and idling jitter of the vehicle: serious engine carbon accumulation: cars always have the problem of carbon accumulation, including cylinder carbonization, throttle valve carbonization, spark plug carbonization, intake carbonization, etc.

Causes of idling jitter in vehicles and how to deal with it

1. Serious carbon accumulation in the engine. The most common cause of idling jitter is excessive carbonisation of the throttle valve or fuel nozzle.

2. The solution to vehicle idling jitter is as follows: the engine has serious carbonization, and the most common reason for car jitter is that the throttle valve is too dirty or the fuel injector nozzle has too much carbon.

3. Severe idling vibration is generally caused by engine cylinder shortage, aging or loose foot glue, carbon accumulation, fuel system failure, etc. Serious carbonisation of the engine: Cars always have the problem of carbonisation, including cylinder carbonization, throttle carbonisation, spark plug carbonation, intake carbonation, etc.

4. The common fault points of vehicle idling jitter are: the most common is that the throttle valve is dirty or the throttle valve fails to cause idle jitter. The main reason why the throttle valve is dirty is that there is carbon accumulation at the junction of the shaft of the throttle valve plate and the throttle body, resulting in the opening of the throttle valve not accurate enough, so the idling will Shake.

5. 4 common causes of idling jitter Idling jitter 0 There is more carbon in the engine When the throttle valve is too dirty or there is too much carbon in the fuel injector, the fuel is adsorbedOn the carbon, if the mixing ratio is unbalanced with the air, and the concentration of the combustible mixed gas is uneven, the car will shake.

4 common causes of idling jitter

The main reason for jitter in unstable idling vehicles: serious engine carbon accumulation: cars always have the problem of carbon accumulation, including cylinder carbonization, throttle carbonization, spark plug carbonisation, intake Carbon accumulation, etc. When the engine accumulates too much carbon, it will affect the ignition energy, intake efficiency and air-fuel ratio of the car, resulting in unstable power output of the car, idling and acceleration jitter.

It may be engine carbonization: When the internal carbonization of the engine is serious, it will not only cause difficulty in starting the vehicle, but also cause idling jitter. ApproveIt can be an abnormality of the electronic control system: when the internal circuit of the electronic control system is damaged or the contact is poor, it causes the vehicle to shake during idling.

Causes for shaking when idling: the engine is seriously carbonated. The most common reason for car shaking is that the throttle valve is too dirty or the fuel injector nozzle has too much carbon.