Audi A4 Secondary Air Pump Noise

The secondary air injection system injects air into the exhaust to help lower emissions.

Audi a4 secondary air pump noise. Audi secondary air injection problem repair please like and share this video www edgemotors com in this video we show you all the components operation and d. Should i look into the sap removal. I have the stock box out and am using a k n filter and custom heat shield. 2002 2004 2009 2011 audi a6 quattro 3 0l v6.

Most of the time p0411 is going to be caused by a failure in this pump or the one way check valve. Here is a quick video on how a secondary air injection system works and how you can diagnose problems within the system. At a cold start my car in making a loud winding for about 45 seconds then stops seems like it is getting worse. 2005 2006 audi a6 quattro 4 2l v8.

Secondary air injection system incorrect flow detected. But there can be other reasons the code is thrown as well. 2000 audi a6 quattro 2 8l v6. How to diagnose problems with an air.