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CIS mixture adjustment access hole?
In message <01BD3D04.1A08F4C0@gpowell.acacianet.com> glen powell writes:
> This adj access hole is empty on my ur-q.
> Should there be a plug in this hole?
035 133 465A
> Will a missing plug here result in a vacuum leak?
Yes. Neither you or the car will notice.
> There is no observable problem that I am aware of, just curious.
You can suck dust in. Theoretically.
Committee Member, UK Audi [ur-]quattro Owners Club