Engine Controls - Adjustments

• Engine Mechanical
  • Engine Compression
• Valve Clearance
• 4-Cylinder Ignition Timing
  • Engine Controls - Adjustments
    • 2.5L (VIN E)
• V6 Ignition Timing
  • 2.8L (VIN R)
  • 3.1L (VIN D)
  • 4.3L (VIN Z)
• V8 Ignition Timing
  • All Models (Except Diesel)
• Injection Pump Timing (Diesel)
  • 6.2L (VIN C & J)
• Idle Speed & Mixture (Gasoline)
• Idle Speed (Diesel)
  • Curb Idle
  • Fast Idle
• Purging Fuel System (Diesel)
• TPS Adjustment (Gasoline)
  • Notes
  • 2.8L (VIN R)
• TPS Adjustment (Diesel)
• Vacuum Regulator Valve/Detent Switch Adjustment (Diesel)