WAH - Weird Audi Happenings

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

In message <970909123907_153940116@emout15.mail.aol.com> Katpassage@aol.com writes:

> - 5000tq-'86 had michlin man (intercooler to intake manifold) vacuum leak for
> months; marginal hole but did not allow turbo boost.
> 
>  - Replaced hose,  regained boost   HOWEVER-- car bucked and spit at anything
> approaching one atmosphere and above.   Checked mightily for other vacuum
> leaks, found none.  milage down 10%, starting fine.  never an engine light to
> draw codes from
> 
> - Weeks later,  I experienced a 'pop' that sounded like a backfire into the
> intake manifold and, all of a sudden,  the engine started responding properly
> to the turbo boost

Stuck wastegate.  Freed by the backfire.

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