How to clean the carbon deposit in the engine cylinder?

Walnut sand removal method can be used to clean the carbon deposit in the engine cylinder. The method of removing sand from walnut is to grind the shell of walnut into powder, and then spray walnut sand with a special machine, so as to remove carbon deposits from the engine. It is recommended to go to a professional institution to find professionals for construction. More relevant information is as follows: 1. It is normal that there is carbon deposit in the engine of an automobile after long-term use, because the combustible mixture in the engine can not be completely and fully burned, so the engine will have carbon deposit after long-term use. Carbon deposition will affect the power of automobile engines, so it is recommended that car owners regularly remove carbon deposition. 2. Fuel additives can remove some carbon deposits and reduce the formation of carbon deposits. However, fuel additives can not completely remove carbon deposits, and only genuine fuel additives of big brands can remove carbon deposits. Inferior fuel additives will only damage the engine, but will not remove carbon deposits.