If the diesel engine does not ignite in summer, it requires a major overhaul: cylinder block, cover, valve, piston ring, oil ring... if there is a lower limit, it is necessary replace it.
Many diesel engines exhibit this phenomenon when the temperature in the north is low in winter. It may take several times to start. In severe cases, it may take several times or even a long time to start! This is mainly because the temperature in winter drops to tens of degrees below zero, and engine oil and gear oil solidify, as if they are all stuck together! It must be stored in a warm warehouse before it can be started. Otherwise, the car stored in the open air must be scalded with boiling water and heated with a blowtorch or fire before it can be started normally!
If not stored in the open air, it is necessary to inspecteach part to see if there is insufficient pressure, air leakage or air in the oil line, causing abnormal oil supply in the low pressure. oil pipeline...
It's probably the piston. People near Huanyouhuan have a lot of problems...