Do you need to change the oil to clean up the engine carbon deposit?

Engine carbon deposit cleaning does not need to change the oil, and cleaning carbon deposit will not affect the oil, so it does not need to be changed. There are several ways to remove carbon deposits from automobiles. The method is as follows: 1. Car bottle hanging: hang a bottle-shaped tool above the engine, then pour the cleaning agent into the bottle-shaped tool and introduce it into the engine through the conduit to clean the carbon deposit; 2. Machine washing: inject the cleaning agent into the machine, then contact the combustion chamber by the pressure of the machine, so that the cleaning agent reacts with the carbon deposit to dissolve, and then discharge the waste liquid; 3, engine disassembly and cleaning, this method should be the most effective, directly remove the whole engine, using detergent, ultrasonic and other means to completely remove carbon deposits on parts.