Truck turns over fine but won't start. However, if I take off the fuel filter and fill it with Diesel Kleen it will crank. I've changed the filter, replaced the fuel regulator sensor, replace a bad o ring. Any suggestions?
Cummins ISX - 2005 KW T800
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by DD12, Jan 17, 2020.