it starts runs no problems i have taken a reading of the rail presure sensor which was 1.6 to 1.8 then down to 1.1 volts but soon as it goes down to 0.9v it starts doing the foult rough running and cutting off it re starts untill it does it again i know its the rail pressure but i am stuck beetween is it injectors or the pressure regulator

mus, April 2010