How is the pressure in the common rail controlled?
How is the pressure in the common rail controlled? Common Rail Injection System Pressure Control. Abstract: There are several approaches to control the pressure in the common rail. One early approach method was to supply more fuel than is needed to the common rail and use a pressure control valve to spill the excess fuel back to the fuel tank. Why is my fuel rail pressure so low? A LOT OF THESE PROBLEMS ARE CAUSED BY THE INSTALLER. THERE ARE MECHANICS AND THEN THERE ARE REAL MECHANICS. IN TIME YOU'LL KNOW MORE ABOUT ME BEING A NEW MEMBER AND ALL....