Oil is just as important to a diesel engine as it is to a petrol engine
No, Diesel oil is needed. Regular oil will not provide the necessary lubrication and it will cause a lot of blow-by smoke as it leaks past the rings since it is too thin.
5 liters with oil filter filled
Most likely the problem is with the Pressure Sensor in the engine block.
No you can not use gas engine oil in diesel engine oil because processing of diesel engine is different from gas engine oil. If you use this then it damage your vehicles.
NO, do not use diesel oil and a gasoline engine.
"Diesel oil" or "Heavy oil" is another term for diesel fuel. Not to be confused with "engine oil for a diesel engine" which means lubricating oil specially formulated for use in diesel rather than petrol engines.
BLACK. New diesel engine oil almost instantaneously turns black. You should not be concerned. To gauge the effectiveness of oil performance, send to a lab for analysis.
5 liters of diesel engine oil.
any diesel oil will be fine
There is not a whole lot of difference if you are using the oil in an older diesel engine. The diesel oil of today has special additives to combat the soot buildup in the oil from the EGR. The diesel oil will get dirty a lot sooner on the late model engines. A 15w40 for a gas engine can be used in a diesel.
7-8 quarts
If you are referring to the diesel engine, its capacity is 15 quarts, but if you are referring to the gasoline engine, the capacity is 6 quarts.