CIS mixture adjustment access hole?

[quk@isham-research.demon.co.uk (Phil Payne)]

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.

-- 
 Phil Payne
 Committee Member, UK Audi [ur-]quattro Owners Club