928 S4 V8-4957cc 5.0L (1987)
Air/Fuel Mixture: Technical Service Bulletins
Warranty Claims - On Non-Adjustable CO
Subject:
Non-Adjustable CO - 1987 944S, 928 S4
Model
944S, 928 S4
Group
Part Identifier
Number
8703
March 9, 1987
The CO on the above subject vehicles cannot be adjusted due to the "Self-Teaching" function in the control unit.
The technical information regarding operation of this system can be found in the respective 1987 New Product Information Booklets.
Therefore, Warranty claims for CO adjustment on those vehicles cannot be accepted.
Please advise all personnel accordingly.