If you mean that you are getting diesel in your crankcase then you have an internal leak in the engine and it could come from a host of places. The engine information is vitally important to lead you to an accurate answer... ie. Is it mechanical or electronic. Injector o-rings are the most common cauee that I have seen.
No is the simple answer... may help clean out your engine because of the detergent found in diesel oil ..just put the right oil in on your next service and change filter
Change your oil cooler.
Any diesel engine should use any 15-40 weighted oil. Reason being is that because it is the heaviest and thickest engine oil and takes longer to break down due to incresed oil pressure experienced by a diesel engine.
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.
.Mixing a small amount of oil in the diesel fuel will not hurt a motor. The motor will run rough and produce black smoke.
NO, do not use diesel oil and a gasoline engine.
Oil is just as important to a diesel engine as it is to a petrol 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.
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.
Yes, never put oil formulated for a diesel in a gasoline engine.