Tune-up and Engine Performance Checks: Technical Service Bulletins

• Customer Interest
  • Engine - Miss, Hesitation, or Roughness
  • Engine - Detonation at Cruising Speed (40-55MPH)
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Customer Interest
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Detonation at Cruising Speed (40-55MPH)
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Detonation at Cruising Speed (40-55MPH)
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
• All Technical Service Bulletins
  • Engine - Miss, Hesitation, or Roughness
  • Engine Controls - Updated Rough/Unstable Idle Chart
  • Engine - Detonation at Cruising Speed (40-55MPH)
  • Fuel System - Revised Mixture Control Adjustments
  • Ignition - Spark Plug Application & Gap
  • Fuel - Minimum Idle Speed Adjustment Warning
  • Engine, A/T - Shift/Driveability Concerns/MIL ON