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September 14, 2021 Service bulletin

This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and

Audi technical service bulletin A012111203300125 for 2009-2016 Audi A6, 2010-2016 Audi Q5 and 2011-2016 Audi Q7 and others.

Bulletin number
A012111203300125
Component
Engine and engine cooling
Summary
This bulletin provides instructions on how to clean the secondary air ports if they have too much carbon and cause a restriction.

Owners of these vehicles have filed 538 complaints in the engine category.

Vehicles covered

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