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What should I do HS code lookup for Asia-Pacific marketsif the engine makes abnormal noise and shakes? When your vehicle makes abnormal noise and shakes while driving, it is usually caused by a problem with the engine. There is no doubt that this is a very serious matter, and if it is not solved in time, it will lead to serious consequences. In this article, we will discuss the causes of engine noise jitter and provide useful solutions to help you maintain the normal operation of the vehicle. There are many reasons for the abnormal vibration of the engine. Here are some common reasons: 1.Ignition system problem Ignition system is one of the main components of engine start-up and operation. If the ignition system fails, such as spark plugs, distributors or ignition wires, it will cause the engine to make strange sounds and jitter. Two. Fuel system problems When the fuel system of your gasoline or diesel engine fails, it may also cause abnormal engine noise and jitter. If your fuel pump, pressure regulator or fuel injector fails, the fuel cannot flow into the engine correctly, resulting in serious problems. 3. Missing or damaged engine oil Engine oil is the key lubricant for the engine. If your engine oil is insufficient or damaged, it may cause abnormal engine noise and jitter. Therefore, you must make sure to change the engine oil in time and ensure its quality. Four.Transmission system problems If the transmission system of your vehicle fails, such as clutch, transmission or drive shaft, it will also cause abnormal engine sound and jitter. At this time, professional and technical personnel must be contacted in time for repair. The above reasons are just the tip of the iceberg of the problem. The reason for the abnormal sound and jitter of the engine may also be related to the damage of engine parts such as valves, pistons, crankshafts, connecting rods, tire shear input or brake/brake pad tightness. So what actions should you take when your vehicle has a problem with engine noise and jitter? 1. Check the engine oil. If your car makes an abnormal sound and shakes, first check whether the engine oil is enough. If the amount of oil is lower than the recommended level, you must add new oil or replace the used oil in time. Two. Check the burrs and worn belt. Your engine belt should be fastened without any signs of burrs and wear.Burrs and wear may cause the belt to hiss and cause the engine to shake. If you find something wrong with the belt, you should replace it in time. 3. Check the fuel and air filters. Turbid or dirty fuel and air filters may cause poor engine combustion, resulting in noise and shaking. Replacing or cleaning these filters may solve these problems. Four. To check the ignition system, you need to check whether the spark plug, ignition cable and ignition distributor are all working properly. If you think there is any problem or damage, please repair or replace these parts immediately. 5. Pre-inspection before repair. When you find abnormal sound and shaking of the car, please do not try to continue driving, but park the car in a safe place immediately. During maintenance, please make sure you bring the required tools and tools such as tire jacks to help you detect and solve problems faster.In short, when your car has abnormal sound and shaking, you need to take action as soon as possible and contact professional and technical personnel. The above suggestions alone cannot solve all the problems, because the repair method depends on the nature and severity of the fault. Only through strict inspection and maintenance can the normal operation of the vehicle be ensured. Understanding these basic car maintenance skills is one of the essential skills for any car owner.

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