What causes 2 trouble codes

Tiny
BOJANGLES7950
  • 1998 AUDI A8
  • V8
  • AWD
  • AUTOMATIC
  • 150,000 MILES

What causes the trouble codes P1280 and P1509
on a 1998 Audi A8 Quattro 4.2 L

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Monday, November 29th, 2010 AT 12:17 PM

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Tiny
KHLOW2008
  • EXPERT
  • 41,974 POSTS

P1280 = Fuel Injector Air Control Valve circuit flow too low.

P1509 = Idle Air Control circuit electrical malfunction.

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Monday, November 29th, 2010 AT 1:50 PM

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