Causes of abnormal noise of auxiliary wheel of Dewei engine

The high-pressure oil pump is overheated. Dewei engine is a tool acting on vehicles, and its interior is composed of many parts, including auxiliary wheels. If the auxiliary wheel produces abnormal noise due to overheating of the high-pressure oil pump, just wait for 30 minutes for the high-pressure oil pump to cool down. Dewei engine is jointly produced by China Kunming Yunnei Engine Co., Ltd. and German FEV Engine Company, with strong power and low fuel consumption.