{HEAD ~ An internal combustion engine} 1, wherein the air fuel ratio controller changes {TAIL ~ the air fuel ratio} according to a temperature of the internal combustion engine upon completion of preheating of the internal combustion engine 
{ HEAD ~ An internal combustion engine } 1 , wherein the air fuel ratio controller changes { TAIL ~ the air fuel ratio } according to a temperature of the internal combustion engine upon completion of preheating of the internal combustion engine
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH