Theory and Operation: Theory/Operation

• Introduction
• Air Induction System
  • XJS
• Computerized Engine Controls
• Fuel System
  • Fuel Delivery
    • XJ6
    • XJS
• Fuel Control
  • XJ6
  • XJS
• Idle Speed
  • XJ6 Idle Speed Valve
  • XJS Auxiliary Air Control (AAC) Valve
• Ignition System
  • XJ6
  • XJS
• Ignition Timing Control
  • Ignition Timing Control System
    • XJ6
    • XJS
• Fuel Evaporation
• Air Injection System
  • Notes
  • XJ6
  • XJS
  • Self-Diagnostic System
  • Check Engine Light