Is it necessary to clean the oil circuit and throttle?

It is necessary to clean the oil circuit and throttle valve. If it is not cleaned for a long time, the engine power will drop obviously and the shift impact will be too large. The following are the related introductions: 1, cleaning the throttle: cleaning the throttle carbon and gum to improve fuel economy, make the engine run strongly and stably, and improve driving maneuverability; 2. Cleaning the oil circuit: clean the deposits in the oil circuit and restore the normal fuel injection quantity to eliminate the faults such as unstable idle speed, poor acceleration and delayed detonation. 3. Function: reduce fuel consumption, restore air-fuel ratio and reduce exhaust emissions.