Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Powertrain Control Module
    • Ground & Power Circuits
• Engine Sensors & Switches
  • Intake Air Temperature Sensor
  • Engine Coolant Temperature Sensor
  • EGR Temperature Sensor (4.0L)
  • KICKDOWN Switch (4.0L)
  • Mass Airflow Sensor (4.0L)
• Fuel System
  • Fuel Delivery
    • Fuel Pressure Release
• Idle Control System
  • Idle Air Control Valve (Stepper Motor) (4.0L)
  • Auxiliary Air Valve (6.0L)
• Ignition System