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The cause of body shaking is large, or the engine parts are aging
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Body shake found while driving
If there is slight vibration or deviation in the course of driving, it is usually a tire failure. First of all, it is possible that the tire balance is poor, and the owner needs to do a four wheel positioning and dynamic balancing as soon as possible. If the vehicle is not running out of shape, do a balance of the tires.
Another situation is more serious, may be due to deformation of the steel ring, which requires the owner to go to a professional repair shop inspection. This situation generally occurs in longer service vehicles. General car replacement of new tires, new steel ring, have to do a tire balance, otherwise uneven balance, the steering wheel is prone to jitter phenomenon. Car body shaking affects both driving comfort and handling judgment.
The third case is caused by unbalanced deformation of the transmission shaft. In general, this kind of situation appears in the chassis collision more cars.
Body shake at idle speed
Idling body jitter is a condition many car owners often encounter. If the owners of the vehicle or vehicles will not start stop off the engine case, if found the body jitter significantly, then it probably means that the vehicle has the following three conditions:
1, the engine carbon deposition is serious
The most common cause of car shake is the excessive carbon deposition in the nozzle and the over throttle. Excessive deposition of carbon in the engine will cause cold start, fuel injection, and gasoline to be absorbed by carbon deposits. To make the mixture too thin, leading to difficulties in start-up.
When the carbon deposition inside the engine is excessive, the cold start nozzle spray of gasoline will be carbon absorbed, leading to the cold start mixture too thin, so difficult to start, this situation, only to wait until the carbon absorption gas saturation, easy to car, a car after adsorption in carbon deposition on gasoline it will be a vacuum suction suction cylinder combustion engine, and the mixture thickens, combustible mixed gas engine when dilute concentration, caused by cold start after the idle jitter. The lower the temperature, the greater the amount of oil needed for cold start, the more carbon deposits will affect the smooth start of the cold or not.
Solution: cleaning the oil circuit, check whether the idle motor carbon accumulation, should be cleaned.
2, ignition system problems
Check the spark plug, the high tension wire and the ignition coil. The ignition system is not working well, and the spark plug is not in good condition, which can cause the same kind of trouble.
The solution: check the spark plug for excessive carbon deposits and replace the spark plugs.
3, the oil pressure is unstable
After the holidays, the engine valve carbon, spark plug and changed the oil pad in the clean body, still idle jitter, we have to check the air pressure sensor and the fuel supply pressure is normal, we recommend that you go to the 4S shop to check the fuel supply pressure and intake pressure sensor is normal, if the value is not normal or the intake pump delivery pressure the pressure sensor error and bad work will lead to body shake.
Solution: check oil pressure and replace parts if necessary.
4, engine parts aging
The car wobble is also related to the aging of the engine's foot. The foot is the engine engine suspension system, engine foot is responsible for the slight jitter absorption in operation when the engine, if the engine foot problems, these vibrations will be transmitted to the steering wheel, the cab, causing idling shaking. |
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