Engine Controls - System/Component Tests

Introduction
Computerized Engine Controls
- Electronic Control Module (ECM)
Engine Sensors & Switches
Relays & Solenoids
- Relays
- Solenoids
  - EGR Solenoid Valve
  - Purge Control Solenoid Valve
Fuel System
- Fuel Delivery
- Fuel Control
  - Feedback System
  - Fuel Injector(s)
Idle Control System
- System Inspection
- By-Pass Air Control Valve
Ignition System
- Notes
- Timing Control Systems
  - Electronic Advance
  - Knock Sensor
Emission Systems & Sub-Systems
Component Locations