Weifang Huakun diesel engine factory, Lin Jingli 13864600749 QQ 2636566799 main Weifang Diesel, diesel generating units and Weichai parts oil pressure less than < br />1. & nbsp; & nbsp; & nbsp; & nbsp; oil pressure surface damage. />2. 
3. & nbsp; & nbsp; & nbsp; & nbsp; oil too dilute < br / > oil temperature is too high < br />1. & nbsp; & nbsp; & nbsp; & nbsp; diesel engine super load. />2. 
3. 
1. water temperature induction plug or damage. />2. 
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