A5driver. 350 posts · Joined 2008. #6 · Sep 30, 2016. same here, couldn't get it off, couldn't even get to move it just a little bit LOL. I also don't have new seal/joint at hand, so figured I wouldn't bother trying harder to get it off, because most likely I'd damage the seal and then i'd be screwed. So in the end I only managed to unscrew
Vacuum Lines / Mis-firing & poor idle. was replacing the vacuum lines on my 1999 Audi A6 2.8 30v, and am now wondering if when i replaced the vac lines, I put the vac line from the fuel pressure regulator back on wrongly - at the mo it goes straight to the EGR Vacuum Solenoid Valve (part # 026 906 283 H) via a t-piece - gold colour solenoid in
5 Post (s) Re: a6 3.0 tdi po401 insufficent flow – 27-09-2015, 11:03 AM. My insufficient flow message was from the nostrils blocked in the cast metal pipe leading to the inlet manifold, but as my EGR is operational I would get this. Cleaning process is highlighted here:
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Re: EGR valve Adaptation – 27-05-2014, 08:06 PM. Originally Posted by boidy. hi, just fitted a new egr valve to my a6 2.0 tdi. Has anyone tried egr valve adaptation ? ( where you turn it down to the bare minimum) Id like to minimise the soot intake so i don't have this problem again.

Swapped coil packs back replaced spark plugs with OEM pregapped plugs. sparkplugs had 30k miles on them reset codes. misfire again. scaned codes ----> cylinder 1 misfire. **** GAVE UP SENT TO DEALERSHIP****. recirculation valve Intermittent defect $363.80. VW Audi Forum - The #1 Volkswagen (VW) Forum Dedicated to the whole Volkswagen (VW) Group > Model Specific Sections > Audi > A6 - S6 - RS6 > Audi A6 - C6 Forum - 2005 - 2010 > Audi A6 2.7 & 3.0 TDi EGR & Intake system cleaning info please eYja1nP. 348 281 485 98 494 292 496 343 181

audi a6 egr valve location