Engine shaking with P0171 and P0441 trouble codes

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May 21, 2009 | 10:22 AM
  #1  
https://www.audiforums.com/forum/sho...d.php?t=132223
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May 21, 2009 | 10:48 AM
  #2  
it sounds like a vacuum leak...try to spray down the engine bay with some brake clean and listen for a change in idle, if you dnt find anything that way it is possible for your dv to be leaking...
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