This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen...
Audi technical service bulletin Circular 23Ai for 2017-2018 Audi A4 and 2017-2018 Audi A3.
- Bulletin number
- Circular 23Ai
- Component
- Engine
- Summary
- This action addresses an emissions system-related Engine-Off calculation error and improves the Oxygen Sensor Aging-Correction Factor. Neither concern has a direct impact to vehicle exhaust or evaporative emissions. However, either condition could affect proper operation of the Malfunction Indicator Lamp (MIL). 2017-2018 A3 Cabriolet
Owners of these vehicles have filed 43 complaints in the engine category.
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