Which fast control confirm an internal engine failure ? (high consumption, loss of power, misfire, white smoke)

white smoke,if you are a good mechanic, first time you will see if the car blowing white smoke ing the exhaust manifold you will find out there is a engine failure 

LOSS OF POWER representing of the following blown of cylinder head gasket, valve leakage, worn out cylinder liner, faulty governor setting, one or more cylinder not working.. The engine is need to be overhaul.

HIGH CONSUMPTION ENGINE OIL

the fast control it is too check antifreeze level because of the white smoke

if experiencing sudden loss of power then its likely to be from engine failure

Control of the engine warning light if lit, use the injection computer