"TAKING RECALL"I GOT A 2006 NISSAN ALTIMA WHEN I LOOK UNDER THE COVER I SAW THE CONNECTORS THAT GOES TO SPARK PLUG MELTED BY OVER HEAT (SMALL FIRE)MY ENGINE CONTROL MODULE SERVICE ENGINE LIGHT CAME ON IT READ SENSOR ONE TIME CRANKSHAFT NEXT TIME UP AND DOWN STREAM SENSOR LOT OF DIFFERENT READINGS WHICH IS NOT SAFE FOR ROAD WHICH MAY LEAD TO ACCIDENT.