Effects of leakage at exhaust end

WARNING: This page is about a different car, the 2006 Audi A4, 2005 Audi A4, 2004 Audi A4, and 2003 Audi A4. However, it is still accessible from the selected car via links, so may be relevant.

Effect: Charge air pressure too low, possible exhaust smell, soot traces in engine compartment

Possible fault sources:

1 - Connection between turbocharger/exhaust manifold

2 - Connection between exhaust manifold/cylinder head