Under certain high load and/or highway driving conditions vehicle exhaust temperatures may increase...
Audi technical service bulletin 26M7CircularREV1 for 2011-2012 Audi Q7.
- Bulletin number
- 26M7CircularREV1
- Component
- Engine and engine cooling
- Summary
- Under certain high load and/or highway driving conditions vehicle exhaust temperatures may increase catalyst aging, due to thermal stress, which could lead to elevated tailpipe emissions. Added work and claiming instructions in the event muffler flange studs break.
Owners of these vehicles have filed 10 complaints in the engine category.
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