Tag Archives for fuel system
3208 – Fuel System Adjustments
Checking Fuel Injection Pump Timing; On Engine The timing of the fuel injection pump can be checked and changed if necessary, to make compensation for movement in the taper sleeve drive or worn timing gears. The timing can be checked … Continue reading
3116 and 3126 Truck Engines Fuel Priming Procedure
If the engine fuel system is run dry, fill the fuel tank and prime (purge) the fuel system to remove air bubbles from the system. 1. Locate the fuel priming pump red selector knob. 2. Turn red selector knob away … Continue reading
3116 and 3126 Truck Engines Fuel System Inspection
A problem with the components that send fuel to the engine can cause low fuel pressure. This can decrease engine performance. Fuel System Fuel System (1) Fuel inlet port (to fuel transfer pump). (2) Tube assembly (fuel filter to fuel … Continue reading
3100 HEUI Diesel Truck Engine Fuel Injection
Inputs from the inlet air temperature sensor, the boost pressure sensor, and engine rpm are compared with the Fuel Ratio Control (FRC) maps. The output of this circuit is the FRC fuel position, which acts to limit fueling during acceleration … Continue reading
3100 HEUI Diesel Truck Engine Fuel System
Fuel System Schematic (AA) High pressure oil line. (BB) Unit injector wiring harness. (CC) Low pressure oil supply line. (DD) Fuel line. (EE) Low pressure oil return line. (1) High pressure oil manifold. (2) High pressure oil line. (3) Hydraulic … Continue reading