Engine rapidly overheats,coolantvery near boils

What it may be is a blocked radiator.It's the 1st place to check.Hey.It may not be,but check it first.Hope this helps

Poss not enough oil the friction would cause the engine to heat very fast

Most likely the thermostat. The heater bypasses the thermostat. If the thermostat is blocked the only cooling is via the heater matrix. To check start the engine with the heater off and put your hand on the thermostat housing when the thermostat opens you should feel the housing get hot. If it doesn't the thermostat is faulty.

The mechanic should check the engine for the problem that is happening . when an engine overheats , it means that there is a problem in the cooling system.When an engine over heats rapidly there is no function of cooling system in the engine.As usual you have to flash the radiator water and refill it again ,then check the thermostat if worn out or destroyed. if worn out or destroyed replace it.The cooling fins in the radiator must be check also, the heater if it is working it means that there is no problem in the heater .But the heater should be check if its function is good because of the reason that it is affecting the cooling system. the engine should be check most specially the engine oil. Because of some times the cause of the rapid heat in the engine is that if the engine oil is dirty then it will cause the engine to over heat that easy and cause fast engine over heat.There fore you should change the oil of your engine "change engine oil".To prevent engine over heat.