This condition will exist if there is leakage at the flat seat for the amplifier solenoid valve. At idle injector amplifiers are not turned on,…
This condition will exist if there is leakage at the flat seat for the amplifier solenoid valve. At idle injector amplifiers are not turned on,…
There are two procedures that will allow a technician to identify a leaky pressure limiting valve (PLV). A defective PLV can cause the following conditions:…
This procedure, the Rail Pressure Bleed Off (RPBO) test will allow a technician to identify a leak in the high pressure system. A leak in…
Incorporated into the MCM is the ISC software which monitors the crank wheel speed variation per segment and compensates each injector to allow a smoother…
This procedure will allow a technician to identify a pumping element or suction valve concern within the high pressure pump. This test uses an infrared…
The fuel system consists of three main filters. The prefilter has the task of filtering material down to 100 micron. The coalescer or water separator…
The Common Powertrain Controller (CPC) has three 18–pin connectors and one 21–pin connector. The following sections contain the connector pin-outs for truck. vocational, transit bus…
The engine mounted Motor Control Module (MCM) includes control logic to provide overall engine management. See Figure “Motor Control Module” . 1. 21–pin Connector (OEM Responsibility) 2.…
The Water-in-Fuel Sensor determines the electrical resistance between the two sensor electrodes (2). If the water level increases in the water separator up to the…