LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> GMC >> 1996 >> Forward Control 7.4 J >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation - Diesel >> Computerized Engine Controls >> Notes
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Computerized Engine Controls: Notes

6.5L Diesel engine with or without turbocharger uses a Powertrain Control Module (PCM). The system consists of a PCM, input devices and output signals. PCM electronically controls fuel flow, fuel timing advance/retard, idle speed, EGR system operation, cruise control, Torque Converter Clutch (TCC) engagement, transmission shifts and glow plug system.