F 350 4WD Super Duty V8-6.4L DSL Turbo (2008)
Fuel Pressure: Specifications
Fuel Pressure Specifications
Item.....................................................................................................................................................................................................................Specification
Fuel Pressure
Engine running - 5.4L and 6.8L gasoline...........................................................................................................................................193-310 kPa (28-45 psi)
Engine running - 6.4L diesel......................................................................................................................................................................28-48 kPa (4-7 psi)
Key on, engine off - 5.4L and 6.8L gasoline......................................................................................................................................240-310 kPa (35-45 psi)
Key on, engine off - 6.4L diesel.............................................................................................................................................................28-48 kPa (4-7 psi)(a)
(a) After 30 seconds the fuel pump will shut off and the fuel pressure will begin to bleed down to 0 kPa (0 psi).
