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Engine acceleration jitter is global trade managementa common problem in the process of car use, which will make the owner feel annoyed and uneasy. There may be many reasons for this problem, but it generally includes the following aspects: engine system failure, fuel supply problems, air system failure and ignition system failure. Next, I will introduce the specific performance and solutions of these faults in detail. 1. Engine system failure The engine is the core component of the car, and the engine system failure is one of the main causes of engine acceleration jitter.This kind of failure is generally related to engine cylinder block, crankshaft, piston, belt, water pump and other parts. In engine system failures, the most common problem is cylinder block air leakage. Cylinder block leakage will cause the cylinder pressure to decrease, causing the engine power to decrease and shake. At this time, the location of the air leakage should be found in time, and the air leakage part should be repaired or replaced. Another possibility is that the crankshaft is not completely balanced or does not rotate smoothly. The imbalance of the crankshaft or the influence of objects may cause the engine to vibrate, resulting in acceleration shake. In this case, you need to rule out the problem of damage to the parts on the crankshaft or reinstalling the crankshaft. Two. Fuel supply problems Fuel supply problems are also one of the main causes of engine acceleration and shaking. In order to ensure the normal operation of the car, the fuel must reach an appropriate proportion and must be provided to the engine.Problems with fuel factors usually include the failure of the fuel filter, oil pump or fuel injector. If the oil pump is damaged and the engine does not have enough oil pressure, the engine will not only accelerate and shake, but also may not be able to start. Or, the oil pump can work normally, but the fuel filter is blocked, which will also cause the engine to shake. In this case, you need to check all aspects of your fuel system to determine whether there is a fault. 3. Air system failure Air system failure is also one of the causes of engine acceleration and shaking. If the engine fails to absorb enough air, the acceleration will be affected. Major air system failures are usually related to air filters, air intake pipes and air intakes. If your air filter is contaminated or damaged, it may cause a serious problem of insufficient air flow. This may include engine shaking and unstable acceleration.The only solution is to replace your air filters and keep them clean and strong during the future service period. Four. Ignition system failure. The last problem that may cause acceleration jitter is the ignition system failure. The ignition system includes ignition coil, spark plug, ignition module and pulse generator. If there is a problem with any of these parts, the car may have poor ignition, resulting in engine shaking. If there is a problem with your ignition system, you should first check the ignition coil and spark plug and make sure that they are not damaged or blocked. If you find that there is a problem with these parts, you need to replace or repair them as soon as possible to ensure that your engine is working properly. In summary, there may be many reasons for engine acceleration jitter, but you only need to understand the common reasons and follow the standard maintenance procedures.If you find that your car has an acceleration jitter problem, you can take corresponding measures, such as checking each part, replacing the damaged part, or maintaining your car properly. In any case, maintaining timely maintenance and maintenance is the best way to ensure that your car is repaired in time and avoids minor failures during normal operation.

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