Tune-up and Engine Performance Checks: Technical Service Bulletins

• Customer Interest
  • 88T147C6E Adds Information to TSB 88T147B6E - 04/01/90
  • Engine - Miss, Hesitation, or Roughness
  • Engine Control - Driveability/Codes 23, 25, 33, 34
  • Engine Controls - Driveability/Codes 23, 25, 33, 34
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
• By Symptom
  • Customer Interest
    • 88T147C6E Adds Information to TSB 88T147B6E - 04/01/90
    • Engine - Miss, Hesitation, or Roughness
    • Engine Control - Driveability/Codes 23, 25, 33, 34
    • Engine Controls - Driveability/Codes 23, 25, 33, 34
    • Engine - Diagnosing Intermittent Idle Speed Increases
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Driveability
    • Engine - Miss, Hesitation, or Roughness
    • Engine Control - Driveability/Codes 23, 25, 33, 34
    • Engine Controls - Driveability/Codes 23, 25, 33, 34
    • Engine - Diagnosing Intermittent Idle Speed Increases
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Erratic Operation
    • Engine - Miss, Hesitation, or Roughness
    • Engine - Diagnosing Intermittent Idle Speed Increases
  • Erratic Shifting
    • Engine, A/T - Shift/Driveability Concerns/MIL ON
• All Technical Service Bulletins
  • 88T147C6E Adds Information to TSB 88T147B6E - 04/01/90
  • Spark Plug - Torque Specification Revised
  • Engine - Miss, Hesitation, or Roughness
  • Idle Speed - Base Idle RPM Adjustment
  • Engine Control - Driveability/Codes 23, 25, 33, 34
  • Engine Controls - Driveability/Codes 23, 25, 33, 34
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • Engine, A/T - Shift/Driveability Concerns/MIL ON