2006 Audi A4 Po171 Code Possible Causes

2006 AUDI A4
60,000 MILES
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ANONYMOUS
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I have a po171 code. Possible causes.
Nov 18, 2012 at 12:53 PM
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RASMATAZ
  • ✓Experienced Mechanic
  • 75,988 POSTS
P0171 – System too Lean (Bank 1) where cylinder no.1 side-Could be a dirty MAF sensor,Front oxygen sensor, vacuum leak,EGR valve, weak fuel pump and faulty injector/s
Nov 18, 2012 at 1:27 PM
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