ELDORADO NATIONAL – CALIFORNIA (ENC) IS RECALLING 106 MY 2004-2007 AXESS, E-Z RIDER II AND TRANSMARK RE REAR ENGINE BUSES BUILT WITH CUMMINS ISL AND ISC DIESEL ENGINES AND EQUIPPED WITH THE CM850 FUEL SYSTEM. THE ENGINE HIGH PRESSURE FUEL LINES FROM THE ENGINE HIGH PRESSURE PUMP TO THE ENGINE FUEL RAIL ARE PRONE TO FAILURE. THE FUEL LINE FAILURES HAVE BEEN DETERMINED TO BE CAUSED BY PROLONGED VIBRATION. FAILURE TYPICALLY OCCURS AT OR UNDER THE FUEL LINE FITTING ATTACHMENTS. FAILURE OF THE FUEL LINE INTRODUCES HIGH PRESSURE ATOMIZED DIESEL FUEL INTO THE ENGINE COMPARTMENT.