MIL ON While Driving/Poor Engine Performance

89audi09

28-89-T04 Oct 89


Engine Warning Light - Comes On While Driving/ Poor Performance


Cause: Ignition ECU acceptance range for knock sensor signal too sensitive. Fault Code of 2141/2142 found when assessing fault diagnostic.


Production: New ignition ECU releases as follows:

49 State and Canada - (P/N 443-907-397K) California - (P/N 443-907-397L)

As of: May 1989

80/90 VIN: 89-KA249248
100/200 VIN: 44-KN081879


Service: Replace with ECUs identified with "BLUE DOT" marking only.

49 State and Canada: (P/N 443-907-397C)
California: (P/N 443-907-397E)

Only "BLUE DOT" ECUs will be available through the parts department.


100 M.Y. 1989

80/90 5 Cyl. Only M.Y. 1988-89


10/31/89


28.10