Underboost: '90 200 TQW IA Stage 1

[quk@sievers.com (Phil Payne)]

In message <323DB44C.4A9C@usa.pipeline.com> Tom Forhan writes:

> Max boost, formerly 1.7 or 1.8 bar, is now 1.4. Car seems to run fine up
> to that point. I did a visual inspection of the turbo hose and it looks
> ok: rubber is in good condition, no visible holes, cannot feel anything
> amiss on the underside.

Regulars will know my response.

BEFORE YOU DRIVE THE CAR AGAIN - pull the turbo -> intercooler hose at the 
intercooler end and check inside the hose and intercooler for debris.

Your problem could be one of more than a dozen things.  One of the less likely 
is traumatic turbo damage.  But - its consequences can be so serious that 
checking for it is worthwhile, despite its low priority on the debugging list.

--
 Phil Payne
 phil@sievers.com
 Committee Member, UK Audi [ur-]quattro Owners Club