Yes, you need engine oil.
Do you need to check two possibilites, one, check if the oil is from transmission or from the engine, if the oil is red,is from transmission and you need to replace radiator, if the oil if from the engine you got it a big problem, because the only way that the engine oil is inside the radiator is because the engine has a bad head gasket, that mean you need to repair the engine heads.
You need more oil.
You need to remove the engine oil drain plug. It is on the bottom rear of the engine.
A 2-cycle engine requires a fuel/oil mixture. The ratio of oil to gasoline depends on the manufacturer's specifications for your particular engine.
any diesel oil will be fine
If it is the 4.3 liter engine and you have drained all the oil out of the engine oil pan and you have replaced the old oil filter with a new oil filter, then you need to add 5 quarts of engine oil to get the proper level in your engine.
You need 4.5q of 5W-30 for an oil change.
No, but you need to make sure that whenever you decide to run that engine in a car you have oil in it.
how to add oil to the engine of a c230 2005 Meredes Benz? Need a diagram of engine
You need to replace the oil sending unit.
If it is a 4 cycle engine, yes, it does need oil. If it is a 2 cycle the oil is mixed with the gasoline.