Treatment method:
1. Check whether there is oil in the wall of the straight and soft inlet pipe and whether it is compressed so that the air flow is blocked or the empty filter element is blocked.
2. Clean or replace the air filter element if there is oil in the nozzle or wall.
There was a sound of metal rubbing
Phenomenon: black smoke from exhaust gas, power decrease, and abnormal noise of supercharger.
This article by Guilin New Ronghuang machinery Co., LTD