D diffas Veteran Member Joined Jun 25, 2008 Location Finland TDI B5q A4 Avant 2.5TDi+, B7q A4 Avant 3.0TDi Tuesday at 10:00 PM #91 I have had past years 3 times this kind of failure. Indeed upgrade manifolds. Last edited: Tuesday at 10:11 PM
A adamss24 Veteran Member Joined Nov 2, 2005 Location Great Britain TDI audi a4 2.5 tdi 98 quatrro 6speed 43 minutes ago #92 2nd majesty’s and diffas’s answers, replace the exhaust manifolds and link pipes ASAP!