Powertrain Management: Technical Service Bulletins
- Recalls
- Emissions
- Recall - Revised Vehicle System Work Procedures
- General Information
- Precondition and Tools Required
- Work Procedure
- A. Secure Venturi
- B. Checking For Proper Connector Terminals
- C. Replace Vacuum Hoses
- D. Check Engine Manifold Vacuum
- E. Check EGR Valve Function
- F. Check EGR Vacuum Amplifier
- G. Check/Replace Engine Control Module
- H. Check/Replace Engine Control Module
- I. Check/Replace Transmission Control Module (Tcm)
- J. Check Basic Engine Adjustment
- K. Adjust CO Fuel Trim (FT) As Follows
- L. Secure Injector Fuel Lines
- M. Trim A/C Line Foam Tube (GLI and GTI Only)
- N. Replace Shift Lever Handle
- O. Road Test Procedure
- Recall - Update Intake Air Pre-Heating System
- Recall - Revised Vehicle System Work Procedures
- Safety
- Emissions
- Customer Interest
- Engine - Idle Speed Hunts When Cold
- Fuel System - Poor Engine Performance
- ECM - Inoperative Due to Improper Battery Charging
- CIS E Motronic ECU - Update
- Engine - Poor Driveability
- Engine - Lack of Power, Stalls, Bucking, and Jerking
- Engine - No Start, Hard Start, or Poor Running
- Engine Controls - Incorrect FC G68 (Speed Sensor) Set
- MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
- Fuel - Improved Additive
- By Symptom
- Customer Interest
- Engine - Idle Speed Hunts When Cold
- Fuel System - Poor Engine Performance
- ECM - Inoperative Due to Improper Battery Charging
- CIS E Motronic ECU - Update
- Engine - Poor Driveability
- Engine - Lack of Power, Stalls, Bucking, and Jerking
- Engine - No Start, Hard Start, or Poor Running
- Engine Controls - Incorrect FC G68 (Speed Sensor) Set
- MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
- Fuel - Improved Additive
- Driveability
- Fuel System - Poor Engine Performance
- Engine - Poor Driveability
- Engine - Lack of Power, Stalls, Bucking, and Jerking
- Engine - No Start, Hard Start, or Poor Running
- 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
- MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
- Fuel - Improved Additive
- Erratic Operation
- False instrument warning light/gauges
- High emissions
- Inoperative
- Odors
- Poor performance
- Recalls
- Recall - Revised Vehicle System Work Procedures
- General Information
- Precondition and Tools Required
- Work Procedure
- A. Secure Venturi
- B. Checking For Proper Connector Terminals
- C. Replace Vacuum Hoses
- D. Check Engine Manifold Vacuum
- E. Check EGR Valve Function
- F. Check EGR Vacuum Amplifier
- G. Check/Replace Engine Control Module
- H. Check/Replace Engine Control Module
- I. Check/Replace Transmission Control Module (Tcm)
- J. Check Basic Engine Adjustment
- K. Adjust CO Fuel Trim (FT) As Follows
- L. Secure Injector Fuel Lines
- M. Trim A/C Line Foam Tube (GLI and GTI Only)
- N. Replace Shift Lever Handle
- O. Road Test Procedure
- Recall - Update Intake Air Pre-Heating System
- Recall 92V058000: Leakage at Fuel Rail
- Recall 92V058001: Fuel Leakage At Fuel Rail
- Recall 91V064000: Cruise Control Rod Nut Torque
- Recall 93V129000: Engine Preheat Tube/Brake Line Chafing
- Recall - Revised Vehicle System Work Procedures
- Starting problems
- Customer Interest
- All Technical Service Bulletins
- Engine - Ignition Timing, CO and Idle Speed Setting
- Engine Control Harness Connector Terminals - Replacing
- Recall - Revised Vehicle System Work Procedures
- General Information
- Precondition and Tools Required
- Work Procedure
- A. Secure Venturi
- B. Checking For Proper Connector Terminals
- C. Replace Vacuum Hoses
- D. Check Engine Manifold Vacuum
- E. Check EGR Valve Function
- F. Check EGR Vacuum Amplifier
- G. Check/Replace Engine Control Module
- H. Check/Replace Engine Control Module
- I. Check/Replace Transmission Control Module (Tcm)
- J. Check Basic Engine Adjustment
- K. Adjust CO Fuel Trim (FT) As Follows
- L. Secure Injector Fuel Lines
- M. Trim A/C Line Foam Tube (GLI and GTI Only)
- N. Replace Shift Lever Handle
- O. Road Test Procedure
- Tools - Preventing Damage to VAG 1551 Diagnostic Tester
- Speed Sensor - G 54 Circuit Update
- Engine - Idle Speed Hunts When Cold
- Fuel System - Poor Engine Performance
- Recall - Update Intake Air Pre-Heating System
- OBD - Basic Setting After Disconnecting Battery
- ECM - Inoperative Due to Improper Battery Charging
- CIS E Motronic ECU - Update
- Engine - Poor Driveability
- Oxygen Sensor - Failure Due to Silicone
- Engine - Lack of Power, Stalls, Bucking, and Jerking
- Volume Air Flow (VAF) Sensor - Revised
- Knock Sensor - Avoiding Unnecessary Replacement
- Campaign - Knock Sensor Replacement
- Engine - No Start, Hard Start, or Poor Running
- Recall 92V058000: Leakage at Fuel Rail
- Recall 92V058001: Fuel Leakage At Fuel Rail
- Exhaust - Sulfur Odor Noticed At the Pipe
- Recall 91V064000: Cruise Control Rod Nut Torque
- 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
- Tools - Fuel Gauge Sending Unit
- Campaign - Vacuum Hose Routing Label
- Warranty - New California Emission Part Tag
- Engine Controls - Accessing DTC's Using Jumper Wire
- VAG 1551 Scan Tool Printout - Attach to R/O for Warranty
- Engine Controls - Incorrect FC G68 (Speed Sensor) Set
- Tools - New Program Card For Fault Readout Unit
- Cruise Control, M/T - Wiring Diagrams
- Cruise Control, A/T - Wiring Diagram
- Recall 93V129000: Engine Preheat Tube/Brake Line Chafing
- MIL ON - Poor Idle/Stalls, Loss of Power, Exhaust Smoke
- Fuel - Improved Additive