1997 Audi A6 MIL error codes

1997 AUDI A6
145,000 MILES • 6 CYL • AWD • AUTOMATIC
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FODDO
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  • 1 POST
I have error codes P0170, p0173, p0174, p0401,
p1106. What parts do I need to fix this problem, without replacing unnecessary parts?
Oct 7, 2009 at 5:25 PM
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MHPAUTOS
  • ✓ASE Certified Mechanic
  • 31,937 POSTS
  • ASE Certified Mechanic
Hi there,

The first 3 codes are fuel trim codes, check for vacuum leaks first, the last code is an EGR fault code, have this inspected

Mark (mhpautos)
Oct 7, 2009 at 5:33 PM
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