Mechanics

EGR

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?
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Will2007
May 23, 2007.



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