Flame suit on? Check. Here we go. 2005 Navistar 4400 w 225 HP DT466 VIN 1HTMKAAN45H123789. Usual cam failure. Dogbone broke, tappet turned, exhaust lobe gone on # 5. Truck was in for a CEL on because the ICP sensor failed. My guys heard the signature sound of ... Login to read more.