Boost problems

Richard Tanimura richard at
Fri Jun 6 15:54:10 EDT 2003


It seems you have a bad BPV or WGFV or the connections to the valves are
bad. I can't see any reason this would change with heat. Check those before
you buy any new sensor.


-----Original Message-----
From: 200q20v-admin at [mailto:200q20v-admin at]On
Behalf Of Endrődi Gábor
Sent: den 5 juni 2003 23:05
To: 200q20v at
Subject: Boost problems

Hi there,

I got a new problem on my 20VQ.

If the engine is hot(100 degreeC) and after it is cooled back the
boost reach the maximum pressure really slowly and I can hear a noise
from the engine as the pipes are leaking. It is between 1.4-2 bar abs
pressure only. The noise seems to come from the BPV or the WGFV. I
have direct air filter installed, so I recognized this as the BPV let
the plus air out.

I plan to replace the MFTS, but I would like to know your thoughts
about this symptoms


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