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code p0171

  #1  
Old 12-18-2005, 08:18 AM
Thread Starter
Join Date: Dec 2005
Posts: 2
Default code p0171

I just serviced an Audi A3 2004 model and it keeps on giving me this code P0171 (system to lean : bank 1)...

What could cause this that would be connected to the service since it didn't do it before...

I changed spark plugs, fuel filter, oil and oil filter...

Whenever I delete it it just comes up again...

Thanks for any help...
 
  #2  
Old 12-18-2005, 03:57 PM
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Join Date: Nov 2005
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Posts: 432
Default RE: code p0171

Vacum hose broken somewhere

You very well could have broke it during the service
 
  #3  
Old 12-19-2005, 05:16 AM
Thread Starter
Join Date: Dec 2005
Posts: 2
Default RE: code p0171

That's what I suspected so I had a quick check but found nothing...

What else could cause this????
 
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