Engine Performance - Improved Idle Quality
90audi0225-90-T01 Feb 90
CIS-Notronic - Electronic Control Unit - Improved Idle Quality
Condition: Signal from airflow housing potentiometer causes motronic engine control system to momentarily svitch into the system limp home mode. Fault code of 2232 is obtained through vehicle self diagnostics.
Production: Improved software in CIS-Motronic ECU (Yellow Dot)
As of: Production Date May 1989
VIN: 89_KA249425
Service: Refer to Product Circular Group 25 Number 89-05 on diagnosis repair of idle speed fluctuation (with engine warm).
80/90 M.Y. 1989 2.0L 4 Cyl. Engines Only