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Home >> GMC >> 1996 >> Forward Control 4.3 W >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - Diesel >> Fuel System >> Fuel Control >> Fuel Injection Pump
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Fuel Injection Pump

Electronic signals from the Acceleration Pedal Positioner (APP) sensor, temperature sensors, pump cam sensor and crankshaft position sensor are received by the PCM. Based on these signals, PCM controls fuel flow through fuel solenoid and fuel solenoid driver.