System Operation The electronic injection pump is the heart of the fuel control system. The rotary distributor pump uses an electromagnetic control valve to regulate…
Category: Detroit 6.5L V8
PCM control can be divided into eight subsystems: • Fuel Control • Timing Control • Glow Plug Control • Boost Control • EGR Control •…
The Powertrain Control Module (PCM), located in the passenger compartment (figure 5-1), controls the EFI system. Internally, the PCM is programmed with calibration information specific…
Fuel Injection System Diagnosis Diagnosis of the fuel injection system includes the following diagnostic steps. INJECTION PUMP To check the fuel supply to the injection…
The fuel return system uses the following hoses and pipes (figure 4-8): • The housing pressure regulator is connected to the return system by a…
Each cylinder has an identical fuel injection nozzle mounted in the pre-combustion chamber. The nozzles are secured with threads and copper sealing gaskets to ensure…
The high-pressure discharge fittings on the head of the injection pump connect to the injection nozzles with steel lines of equal length and interior volume…
The 6.5L diesel engine uses the Stanadyne model DS rotary distributor fuel pump consisting of the following components (figure 4-5): • A fuel solenoid driver…
The fuel filter assembly (figure 4-4) mounts on the rear of the intake manifold. Two bolts hold the assembly in place. The filter housing has…
The inlet fitting of the lift pump connects to the fuel tank pick-up/sending unit fuel supply fitting, using a pipe/hose assembly with o-rings. The outlet…