Section 32 (Engine Controls - System & Component Testing - 6.5L)

WARNING: This page does not describe the selected car, but rather 10 other vehicles, including the 1997 GMC Yukon, 1997 GMC Suburban, 1997 GMC Pickup, 1997 GMC Cab & Chassis, and 1997 GMC C3500 HD. However, it is still accessible from the selected car via links, so may be relevant.

Introduction
Air Induction Systems
- Turbocharger
Computerized Engine Controls
- Notes
- Control Unit
Engine Sensors & Switches
Modules, Motors, Relays & Solenoids
- Relays
- Solenoids
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 Controls
Component Locations