Is it necessary to clean the oil circuit and throttle? Is it necessary to clean the oil circuit and throttle?

1, need to clean the oil circuit and throttle. If it is not cleaned for a long time, the engine power will drop obviously, resulting in excessive shift impact.

2, cleaning the throttle: cleaning the throttle carbon and gum to make it smooth, improve fuel economy, make the engine run strongly and stably, and improve driving maneuverability; Cleaning the oil circuit: clean the deposits in the oil circuit, restore the normal fuel injection quantity, and eliminate the faults such as unstable idle speed, poor acceleration, hysteresis and knocking; Function: reduce fuel consumption, restore air-fuel ratio and reduce exhaust emissions.