Engine Controls - Engine Stumble While Driving

28 08 17

2017239/3

November 25, 2008.

Supersedes Technical Service Bulletin Group 28 number 08-08 dated October 1, 2008 for reasons listed below.

28 Brief engine stumble while driving





Condition





The customer complains of a brief sudden engine stumble (lasting approximately 1 second) while cruising at moderate vehicle speed. Engine functionality is otherwise normal, and no other symptoms are present. This symptom is extremely sporadic and does not generate any DTC or MIL illumination.

Technical Background

Electrical interference on the signal generated by the camshaft position sensor.

Production Solution

Improved camshaft position sensor.

Service

Figure 1:

Replace the camshaft position sensor.

1. Replace O-ring only if damaged.

2. Tighten bolt to 10 Nm.

Warranty

When procedure applies to vehicles under warranty, use the following:





All warranty claims submitted for payment must be in accordance with the Audi Warranty Policies and Procedures Manual. Claims are subject to review or audit by Audi Warranty.

Required Parts and Tools





Additional Information

All parts and service references provided in this TSB are subject to change and/or removal. Always check with your Parts Department and service manuals for the latest information.