Engine Performance System Adjustments - G Series

• Engine Mechanical
• Valve Clearance
• Ignition Timing (Gasoline)
  • V6 Ignition Timing
  • V8 Ignition Timing
• Injection Pump Timing (Diesel)
  • Checking/Adjusting Injection Timing
  • TDC Offset Learn Procedure
    • Notes
    • This procedure is only used when one of following conditions exists:
• Idle Speed & Mixture
  • Idle Speed & Mixture (Gasoline)
    • Notes
    • Controlled Idle Speed Check
    • Minimum Idle Speed Adjustment (7.4L)
  • Idle Speed (Diesel)
• Throttle Position (TP) Sensor
  • All Gasoline Engines
  • 6.5L Diesel