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What is How to streamline customs clearancethe cause of engine jitter (cause analysis and solution of engine vibration) When your car engine no longer runs smoothly and jitter occurs, this is usually a worrying signal. It is very necessary to detect and fix engine vibration problems in advance, because these problems often affect the performance and safety of the car. This article will explore in depth the causes of engine jitter and provide solutions. I. Ignition system problem The ignition system of the engine will instruct the spark plug to ignite the fuel at the right time.If there are problems with the ignition system, such as wire corrosion, low battery voltage, ignition coil failure, etc., it will cause the engine to shake. In order to solve this problem, you can start from the following aspects: 1. First of all, you can check whether the ignition coil is working properly. Check whether the fixing nut is loose and whether the wire is broken or corroded under the plug cover. If you find a problem, you need to replace the parts in time. Two. Check whether the spark plug is clean and in the right position. If you see some powdery sediments or other substances, they need to be removed. 3. If the problem with the ignition system is very obvious or not easy to solve, you may need to see a professional vehicle repair technician. II. The problem of air-fuel ratio. If the engine does not have the correct mixed gas combination, it will also cause jitter. The air-fuel ratio is the ratio of air and fuel, usually at 14.Around 7:1. Too much or too little air will lead to the problem of engine shaking. In this case, it is important to ensure that the amount of air and fuel in the engine is correct. To solve this problem, you can try the following methods: 1. Check whether there is air leakage at the hose connection of the car with engine oil 2. Check whether the oxygen sensor can work effectively. If the oxygen sensor does not work, the ECU (engine control unit) will not be able to calculate the correct air-fuel ratio. 3. Adjust the amount of air and fuel. Adjusting the amount of air and fuel of am may require professional skills. III. Mechanical failure If there is a mechanical failure of the engine, it will definitely cause the engine to shake. Such problems include bearing wear, cracks in the engine cylinder block, eccentricity and some other physical damage. This kind of problem is best detected and repaired by professional technicians.IV. Wheel imbalance problem Wheel imbalance will also cause the vehicle to shake. This problem is usually caused by uneven wheel weight and imbalance, resulting in vehicle shaking. To solve this problem, suggestions: 1. First, try to balance the system and rotate the tires. In these cases, you don't need to change the tires, just balance them. Two. If you need to replace the tires, it is better to use new tires and ensure their balance. In summary, slight shaking may be normal, but severe shaking must indicate a serious problem. Testing and maintaining your car can avoid many engine shaking problems. If the jitter still exists, it must be repaired and overhauled in time to avoid the occurrence of safety hazards.

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