Over time and mileage and under certain conditions, the factory-installed catalysts may not perform as...
Audi technical service bulletin Dealer Letter - for 2008-2011 Audi A6 and 2008 Audi A8.
- Bulletin number
- Dealer Letter -
- Component
- Engine and engine cooling: exhaust system: emission control: catalytic convertor
- Summary
- Over time and mileage and under certain conditions, the factory-installed catalysts may not perform as required by Federal regulations. If the effectiveness of a catalyst is reduced, this may result in an increase in tailpipe emissions and the vehicle could fail to pass an emissions inspection. Launch repair availability for A8 (criteria 4E) and A6 (criteria 4F).
Owners of these vehicles have filed 11 complaints in the engine category.
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