Does anyone know if this year's Cummins has an optical sensor in the fuel system. Looking to run biofuel also known as black diesel but if this fuel system has an optical sensor it will shut down.[img:6560567597]http://www.2carpros.com/forum/automotive_pictures/431949_my_trucksm_1.jpg[/img:6560567597]
Nov 7, 2009 at 2:13 PM