2012 Pete 386 kept getting Rail Pressure /Rail One faults on the dash .. The engine derated for a day and then it finally went to 5mph. Replaced Turbo, Doser , Turbo actuator, Doser pump, Def pump and cleaned the filters.. 6900.00 and 600 miles later ..... RAIL PRESSURE /RAIL ONE DERATE.. It's been at Orlando Freightliner all day and they only did an Express scan I authorized 3 hrs of troubleshooting but the tech was working on another truck ,,,then he went home... Now the truck is back sitting in the yard ...I AM LIVID PLEASE HELP
Cummins ISX Rail Pressure/Rail One fault
Discussion in 'Trucks [ Eighteen Wheelers ]' started by attackkatt, Aug 11, 2014.