Section 79 (Engine Controls - System & Component Testing - 6.5L Turbo Diesel)

WARNING: This page is about a different car, the 1998 GMC Forward Control and 1998 Chevrolet Forward Control. However, it is still accessible from the selected car via links, so may be relevant.

Introduction
Air Induction Systems
- Notes
- Turbocharger
Computerized Engine Controls
- Control Unit
- Diagnostic Trouble Codes
Engine Sensors & Switches
- Notes
- Engine Controls - System & Component Testing - 6.5L Turbo Diesel
Modules, Motors, Relays & Solenoids
- Notes
- Engine Controls - System & Component Testing - 6.5L Turbo Diesel
Fuel System
Ignition System
- Notes
- Timing Control Systems
  - Knock Sensor Circuit (Models Using External Spark Controller Module)
  - Knock Sensor Circuit (Models Using Knock Sensor With Internal Spark Controller Module)
Emission Systems & Sub-Systems
Miscellaneous Pcm/VCM Controls
Component Locations