Over time and mileage and under certain conditions, the factory-installed catalysts may not perform as...
Audi technical service bulletin Circular-Emissio for 2008-2011 Audi A6, 2008 Audi A8 and 2008-2009 Audi S5 and others.
- Bulletin number
- Circular-Emissio
- 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. ? Added repair availability for A8 (criteria 4E) and A6 (criteria 4F). ? Updated claiming instructions. ? Note added to repair instructions regarding consequential damage.
Owners of these vehicles have filed 12 complaints in the engine category.
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