Are additives useful for cleaning up engine carbon deposits?

Fuel additives appear as derivatives of automobiles, and the third generation gasoline detergent is widely called "fuel treasure". Its main function is to solve the problem of carbon deposition in the fuel system of EFI automobile and quickly restore the best working state of the engine. It can make up for some performance defects of gasoline and give it some new excellent characteristics. Car carbon deposition is a recognized topic, and many car owners have this experience. When you refuel at a gas station, the staff often sell fuel treasure to you, and even show you dark carbon deposits. They will tell you that fuel treasure can remove carbon from the engine, which is good for the car. This sales method makes many car owners have reservations about its efficacy. Additives for removing carbon deposits from engines are really useful. Accumulated carbon deposits will affect the engine, causing problems such as difficult starting, unstable idle speed, increased fuel consumption and weak acceleration. In severe cases, it may even cause engine knocking, abnormal acceleration sound, piston and crankshaft damage, and eventually lead to the need for overhaul of oil. Carbon deposition is not only harmful to cars, but also harmful to the environment, which may lead to unqualified annual inspection by affecting automobile exhaust emissions. Therefore, we must pay attention to the problem of carbon deposition and not turn a blind eye. Cleaning is needed to remove carbon deposits. The cleaning part includes throttle, engine interior, oil circuit, air intake system, etc. The cleaning time and cost of these parts are different. For example, the cleaning cycle of throttle is usually around 20 thousand kilometers; 3, 4S shops charge 200-800 yuan, while some auto repair shops or roadside stalls only need 30-50 yuan. If you have strong hands-on ability, you can clean it yourself. Just remove the engine decorative cover, then remove the accelerator, clean it with carburetor cleaner, dry it and reassemble it. This method costs less, but it needs some skills.