Engine Controls - Specifications

• Introduction
• Capacities
• Quick-Service
  • Service Intervals & Specifications
  • Belt Adjustment
• Mechanical Checks
  • Engine Compression
  • Valve Clearance
    • Valve Clearance Specifications - 1990
    • Valve Clearance Specifications - 1991
  • Valve Arrangement (XJS)
  • Valve Arrangement (XJ6)
• Ignition System
  • Ignition Coil
  • High Tension Wire Resistance
    • High Tension Wire Resistance - XJ6
    • High Tension Wire Resistance - XJS
  • Spark Plugs
  • Firing Order & Distributor Rotation
    • Firing Order & Distributor Rotation (XJS 5.3L 12-Cyl)
    • Firing Order & Distributor Rotation (XJ6 4.0L 6-Cyl)
  • Ignition Timing
    • Notes
    • Locating Ignition Timing Marks (XJS 12-Cy)
  • Distributor Specifications
• Fuel System
  • Fuel Pump
    • Notes
    • 1990 Fuel Pump Performance
    • 1991 Fuel Pump Performance
  • Injector Resistance
  • Idle Speed & Mixture
  • Fast Idle Speed
  • Throttle Potentiometer