HS code-driven customs risk scoring

How to maintain the engine (engine maintenance guide) The HS code-driven customs risk scoringengine is the core component of the whole vehicle, which has a decisive impact on the service life and performance of a car. Therefore, the maintenance of the engine is very important. The following are some engine maintenance guidelines, hoping to be helpful to car owners. 1. Regular replacement of engine oil and filter element oil is the most critical lubricant for the engine and other mechanical parts, and is the guarantee for the normal operation of the engine. Because the oil will lose its lubricity with the increase of use time, causing the engine to not run smoothly, it needs to be replaced regularly. SameThe oil change cycle is about 5,000 kilometers, but the owner can also adjust it according to his actual usage. At the same time, it is also important to understand the viscosity and brand of the oil. Different models and years of production may require the use of different viscosity of oil, so car owners need to carefully check the vehicle user manual and choose the appropriate oil brand according to the requirements. Two. If the water temperature of the maintenance tank and thermosator is too high or too low, it will cause great damage to the engine. Therefore, it is necessary to regularly check the water tank and thermoster to ensure that the engine water temperature is within the normal level. If there is an abnormal temperature, the corresponding parts need to be adjusted or replaced in time. In addition, you need to pay attention to adding water tank agent and car coolant. 3. Regular replacement of air filters and fuel filters can effectively prevent the blockage of the atomizer and the pollution of the engine intake system, and prevent the potential impact of sediment on the engine.When replacing the air filter, you need to clean the dust and dirt outside the filter first, and then remove the air filter to remove the dust and impurities inside the air filter, and install a new air filter. When replacing the fuel filter, you need to be very careful not to damage any connection. Four. Maintaining a reasonable idle speed for too long will cause unnecessary energy waste and cause a series of damage to the engine. Therefore, the vehicle can not idle in a short period of time or the idle time can be shortened as much as possible, which is better to drive the oil. After the engine starts, heat up the vehicle quickly and drive away as soon as possible. In addition, avoiding excessive or too low idle speed of the vehicle can minimize the damage to the engine under the condition of ensuring normal driving. 5. To maintain a normal driving state, when the vehicle is running, it is necessary to accelerate and decelerate as smoothly as possible, and maintain the appropriate speed and load state.During operation, do not overload, speed or suspend equipment frequently to avoid excessive wear and tear of the engine and other car parts. In addition, it is necessary to regularly check and maintain the vehicle suspension and tires according to the actual usage. In a word, engine maintenance is a very important part of the post-maintenance of the car. Car owners need to pay attention to the actual use of the vehicle from time to time, and reasonably adjust the engine maintenance strategy according to different usage environments and road conditions. Only in this way can the engine be in good working condition for a large part of the vehicle's service life.

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