low boost question

Kent McLean kentmclean at mindspring.com
Sat Apr 15 13:08:06 EDT 2006

Brian Larson wrote:
> MY 200q20v starts and runs well, but has low boost.
> 1.0 or 1.1 bar usually, no engine codes (scanned with vag com), new mfts,
> new plugs, cap/rotor.
> I am planning to check bypass valve function (and that it is installed in
> the correct orientation) next.
> Any other likely suspects here?  Intake leaks, etc?

How old is the "Michelin Man" hose, the big bulging turbo hose
that looks like the Michelin Man?  It tends to collect oil and 
age prematurely, cracking where you can't see it, and letting 
your boost go bust. 

Kent McLean
'94 100 S Avant, "Moody"
'89 200 TQ, "Bad Puppy" up in smoke

More information about the 200q20v mailing list