• Tiny
  • Will2007
  • Audi 5000

1985 Audi 5000 S non turbo.
My car failed the emissions test. NOx was too high. What can I do to repair/ clean this? Where is the EGR valve located at? My Haynes manual isn't much help in specifically showing the locaton.
Should I also clean the idle stabilisation valve with a cleaning agent?

Wednesday, May 23rd, 2007 AT 1:25 AM

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