No Boost Condition - Only Getting 1.0 Bar

[Mike Miller]

How about the hose that runs from the back of the intake manifold to the 
bypass valve? Is it intact the whole distance and not crimped where it 
goes over the bracket on the back of the IM?

--mm

On 10/31/2011 6:42 PM, Shin Hoshikawa wrote:
> Mike:   Thanks for your suggestion.  I've done that, but absolutely no
> change.
>
> Adam:  I haven't tried to pull codes before, but will do that this weekend.
> I'm going to make a home-made LED lamps for it.  Hope it works.
>
> Thanks for the heads up.   Shin
>
>
> -----Original Message-----
> From: 200q20v-bounces at audifans.com
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> Subject: 200q20v Digest, Vol 95, Issue 36
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>     1. RE: 200q20v Digest, Vol 95, Issue 35 (Jay Kempf)
>     2. Euro lites (PeterBergin at aol.com)
>     3. Re: No Boost Condition - Only Getting 1.0 Bar (Adam Gratz)
>     4. Re: No Boost Condition - Only Getting 1.0 Bar (Mike Miller)
>     5. 200 20v vs stg. 3 b5 s4 (chris gregg)
>
> ----------------------------------------------------------------------
> Message: 3
> Date: Mon, 31 Oct 2011 09:53:02 +0700
> From: Adam Gratz<adamgratz at gmail.com>
> To: 200q20v at audifans.com
> Subject: Re: No Boost Condition - Only Getting 1.0 Bar
> Message-ID:
> 	<CAOQmviHdZBA_NDujoXsKfmeov6dBS07CW6=SY3BaO634dTL11g at mail.gmail.com>
> Content-Type: text/plain; charset=ISO-8859-1
>
> Shin-
>
> Sounds like the car is in limp mode, or the bypass valve is stuck, or in
> backwards. Start by pulling the codes, then start taking crap apart. Do you
> have a code chart? See SJM autoteck if not.
>
> Doc-
>
> 1991 20v Avant with tweaker turbo and suspension. Parked 5000 miles from me
> in Hawaii, someone come get this beast and drive it before it returns to
> the earth.
>
>
> ------------------------------
>
> Message: 4
> Date: Sun, 30 Oct 2011 21:29:35 -0600
> From: Mike Miller<mikemilr at blackfoot.net>
> To: Shin Hoshikawa<pl510er at clear.net>
> Cc: 200q20v at audifans.com
> Subject: Re: No Boost Condition - Only Getting 1.0 Bar
> Message-ID:<4EAE161F.4010005 at blackfoot.net>
> Content-Type: text/plain; charset=ISO-8859-1; format=flowed
>
> One thing you can do is to pinch off the hose from the WGFV to the WG
> with a pair of vice grips or something. Be *very* careful if you try
> that as the WG will not open, but if it gives you more than 1.0 boost,
> you know where to start looking. Broken WG spring, torn diaphragm, bad
> WGFV (but they usually fail with about 1.3 bar). A hose can look  OK
> when inspecting it and can still be bad under boost. I would think you
> would hear a boost leak if that was the case. Prime suspects would be
> the hose that runs up to the bottom of the BPV or the michelin man hose
> on the bottom side.
>
> Take the cap off the WG and look inside.
>
> --mike in montana
> 91 200q Hoppen stage 1
> 95 UrS6 with RS2 goodies
>
>
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