Ignition System: Technical Service Bulletins

• By Symptom
  • Engine - Troubleshooting Driveability Complaints
    • Overview
    • Section 1 - Make Sure You Have Enough Information
    • Section 2 - Check For Needed Campaigns
    • Section 3 - Basic and Visual Checks
    • Section 4 - VAG 1551 Procedure
    • Section 5 - Evaluating Results and Repairing
    • Section 6 - Final Adjustments
    • Section 7 - Ignition Timing, Idle Speed, C.O Adjust
    • Section 8 - Quality Check
    • Section 9 - Complete
• All Technical Service Bulletins
  • Engine - Troubleshooting Driveability Complaints
    • Overview
    • Section 1 - Make Sure You Have Enough Information
    • Section 2 - Check For Needed Campaigns
    • Section 3 - Basic and Visual Checks
    • Section 4 - VAG 1551 Procedure
    • Section 5 - Evaluating Results and Repairing
    • Section 6 - Final Adjustments
    • Section 7 - Ignition Timing, Idle Speed, C.O Adjust
    • Section 8 - Quality Check
    • Section 9 - Complete
  • Engine Control Harness Connector Terminals - Replacing
  • Knock Sensor - Avoiding Unnecessary Replacement