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crankcase ventilation

In message <199706280407.OAA24812@morden.netpci.com> "Mark&Michelle Sousa" writes:

> I noticed that my hose that connects to the lower right side of the engine
> block and the top of the valve cover is collapsed when the engine is
> running. 

Common problem.  Change, disconnect and plug, reset CO, reconnect and check CO.
You are not far from the point (feel the hose on the engine side) at which it 
will start letting vast amounts of unmetered air into your system and 
completely screw your mixture settings.

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