Jiangling Shunda EFI diesel engine stops after a big throttle and then starts. After a long time, it is difficult to start. After starting once, do you feel that there is air in the hand oil pump? 1. Reason: heater damage. Solution: replace the heater. 2. Reason: there is something wrong with the oil pump or pipeline, resulting in the entry of air. Solution: overhauling oil pumps and high and low pressure pipelines. 3. Reason: there is water in the fuel. Solution: remove the water from the fuel or change the fuel