How to clean the throttle carbon deposit

There are three common methods to clean the carbon deposit in the intake valve: 1, and adding "Fuelbao" is the easiest to operate, but the effect is not good. If the car is inspected, it will have a certain effect. In daily use, fuel treasure has little cleaning effect; 2. "infusion bag or bottle", "The shape of the bottle is similar to that of a hospital bottle. Cleaning the liquid injection valve has better cleaning effect. It does not need to disassemble the automobile engine, which is also an effective cleaning method; 3. Dismantling the engine and cylinder head is undoubtedly the most thorough and direct cleaning method, and the cleaning effect is also the best. However, this process is very complicated. Once the engine is disassembled, it generally has no original air tightness. It is best not to disassemble it.