HS code mapping to non-tariff measures

Car cleaning engine (must-read for car owners: engine cleaning to make your car better) The HS code mapping to non-tariff measuresengine is the core part of the car, which is an important part responsible for the engine rotation and power. If the engine fails, the vehicle will lose its driving ability, and the engine cleaning is to maintain the car. One of the important steps for the normal operation of the car engine. Over time, various impurities and sediments will accumulate inside the engine and need to be cleaned, which can not only extend the service life of the engine, but also improve the fuel efficiency and power performance of the car. In this article, we will discuss in depth the necessity, methods and precautions of car engine cleaning. The necessity of engine cleaning. First of all, various impurities and sediments will accumulate inside the engine, such as dust, sludge, particles, etc.These impurities will lead to a decline in engine performance, such as reduced fuel efficiency, insufficient power, increased noise, etc., and even cause engine failure. Therefore, cleaning the engine can effectively remove these impurities and sediments and keep the engine in good condition. Secondly, cleaning the engine can improve the fuel efficiency of the car, because the impurities and sediments accumulated inside the engine will affect the effect of fuel injection, thus reducing the efficiency of fuel combustion. Cleaning the engine can remove the impurities accumulated in the nozzle, intake duit, combustion chamber, etc., improve the injection efficiency, and thus achieve the effect of saving fuel. Finally, cleaning the engine can improve the power performance of the car. The combustion efficiency of the cleaned engine is higher, which can improve the power output of the car, so that the vehicle can accelerate faster and climb more smoothly. The method of engine cleaningThere are many ways to clean the engine. You can choose to clean it by yourself or go to a professional car beauty shop for cleaning. Next, we will introduce several common cleaning methods. 1. Chemical cleaning Chemical cleaning is one of the most common engine cleaning methods, which removes dirt and sludge from all over the interior of the engine by using chemical cleaning agents. The operation is relatively simple. Just add the detergent to the water tank, then start the engine, let it run for about 5-10 minutes, and then discharge the detergent. However, it should be noted that the chemical cleaning liquid has a corrosive effect on the engine seal, so attention should be paid when using it to avoid affecting the engine seal. Two. Washing method Washing method is a method of spraying a high-pressure water gun or a high-pressure water washing machine into the engine to flush out dirt and sludge. It is usually necessary to disassemble various parts of the engine for better cleaning, which is cumbersome to operate.However, compared with the chemical cleaning method, the washing method has less impact on the engine seal, so it is also a feasible cleaning method. 3. Ultrasonic cleaning Ultrasonic cleaning is a method of using ultrasonic vibration to remove dirt and sediment by using ultrasonic vibration of water and detergent inside the engine. This method does not require the disassembly of various parts of the engine and will not corrode the engine seal, so it is considered one of the safest cleaning methods. However, this method requires a special ultrasonic cleaning machine, which is relatively expensive. What should I pay attention to when cleaning the engine? 1. You need to disconnect the car battery when cleaning the engine. Two. If you use any cleaning method, you should wait for the engine to cool down before cleaning, otherwise the hot engine may react to the cleaning agent and cause danger. 3. When cleaning the engine,Attention should be taken to avoid spraying on the electrical components of the engine or other electrical contacts to prevent short circuits and fire. Four. When using chemical cleaning agents, you should read the instructions carefully to understand the effect of cleaning agents on seals and other parts to avoid damaging the vehicle. In summary, the engine is the core part of the car. Regular cleaning and maintenance can extend the life of the engine and improve the driving efficiency of the car. Which cleaning method to choose needs to be decided according to the situation of the car and personal preferences, but it is necessary to pay attention to comply with the safety and operation procedures of cleaning to avoid damage to the car as much as possible.

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