A6 3.2 exhaust back pressure noise - Audi Forum - Audi Forums for the A4, S4, TT, A3, A6 and more!

10-22-2010, 08:07 PM

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lumpkin

Audi Forum - Posts like an A1

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Join Date: Oct 2010

Location: Maryland

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A6 3.2 exhaust back pressure noise

When idling and even after engine is off you can hear the low popping noise from the exhaut. It's like there is built up back pressure and it's slowly releasing it. Any ideas what might be causing this?

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