Warranty: This genuine part is guaranteed by Audi's
factory warranty.
Fits the following 1993 Audi 90 Submodels:
Base, CS, S, Sport | 6 Cyl 2.8 L GAS
1993 Audi 90 Oxygen Sensor Parts and Q&A
Q: What is the role of the Oxygen Sensor and Throttle Position Sensor in the KE-Motronic system regarding fault memory and component testing on 1993 Audi 90?
A: The KE-Motronic has a fuel injection and ignition fault memory. Checking lambda control To verify the operation of the differential pressure regulator, measure changes in control current by connecting a multimeter to the regulator. To enrich a start, make sure that control current reduces temporarily. Audi dealers should avoid testing overrun cut-off and cold start valve without special procedure and equipment, preferably.