I've been looking all over for a comprehensive guide to changing cleaning an egr valve but nothing.

[Warchilo]

Is there one on this site somewhere I haven't looked?

Also any pointers would be helpful.

Do I need vagcom?

Thanks.

 

[hades-]

theres loads on google

 

[voorhees]

http://www.audi-sport.net/xf/threads/audi-a4-b7-2-0-tdi-coughing-and-spluttering-again.156074/