Tune-up and Engine Performance Checks: Technical Service Bulletins

• Recalls
  • Emissions
    • Recall - Spark Plug Replacement Label
  • Generals
    • Campaign - Spark Plug Replacement Label
      • Overview of Special Field Action 94L04
      • Attachment I - Administrative Information
      • Attachment II - Labor and Parts Information
      • Attachment III - Technical Instructions
      • Owner Letter
• Customer Interest
  • Engine - Rough Idle/Hesitation/Backfire/Stalling
  • Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up
    • Overview
    • Procedures, Warranty and Labor
    • Idle Speed Adjustment
    • Procedure # 1
    • Procedure # 2 Idle Air By-Pass Valve Cleaning Only
    • Warranty Coverage
    • Labor Standards Operations
    • Operation Description
• By Symptom
  • Customer Interest
    • Engine - Rough Idle/Hesitation/Backfire/Stalling
    • Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up
      • Overview
      • Procedures, Warranty and Labor
      • Idle Speed Adjustment
      • Procedure # 1
      • Procedure # 2 Idle Air By-Pass Valve Cleaning Only
      • Warranty Coverage
      • Labor Standards Operations
      • Operation Description
  • Driveability
    • Engine - Rough Idle/Hesitation/Backfire/Stalling
    • Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up
      • Overview
      • Procedures, Warranty and Labor
      • Idle Speed Adjustment
      • Procedure # 1
      • Procedure # 2 Idle Air By-Pass Valve Cleaning Only
      • Warranty Coverage
      • Labor Standards Operations
      • Operation Description
  • Poor performance
    • Engine - Rough Idle/Hesitation/Backfire/Stalling
  • Recalls
    • Campaign - Spark Plug Replacement Label
      • Overview of Special Field Action 94L04
      • Attachment I - Administrative Information
      • Attachment II - Labor and Parts Information
      • Attachment III - Technical Instructions
      • Owner Letter
    • Recall - Spark Plug Replacement Label
• All Technical Service Bulletins
  • Engine - Rough Idle/Hesitation/Backfire/Stalling
  • Engine - Hard Cold Starts/Hesitation/Stalls On Start-Up
    • Overview
    • Procedures, Warranty and Labor
    • Idle Speed Adjustment
    • Procedure # 1
    • Procedure # 2 Idle Air By-Pass Valve Cleaning Only
    • Warranty Coverage
    • Labor Standards Operations
    • Operation Description
  • Campaign - Spark Plug Replacement Label
    • Overview of Special Field Action 94L04
    • Attachment I - Administrative Information
    • Attachment II - Labor and Parts Information
    • Attachment III - Technical Instructions
    • Owner Letter
  • Recall - Spark Plug Replacement Label
  • Fuel Pressure Specification - Corrections
  • Octane Adjust Shorting Bar - Revised Procedures
    • Overview
    • 1989 Note, Remember and Pinpoint Test Schematic
    • 1990 Application, Component Location and Wire Color
    • 1991 Diagnosis By Symptom Chart
    • 1991 Pinpoint Test Note
    • 1991 Test Step KP1 Thru KP11
  • Ignition Timing - Procedure/Diagnostics Correction
  • Ignition Timing Procedure - Manual Update
  • Idle Speed Setting Procedure - Manual Revision