[s-cars] Fw: Hoppen Stage IV - boost (or lack thereof) issue

[Marc Weiner]

what great response from the Group . . . impressive!!!  So . . .I checked
all the hoses to the ECU, none broken or popped off . . . no strange noises
coming from car/turbo . . .runs smooth, but no boost .  . assuming RS2 turbo
needed . .. whose got em and what is best price out there. . . anyone have
one new in the box sitting in the garage burning a hole in the floor :-)

----- Original Message -----
From: "Fred Munro" <munrof at sympatico.ca>
To: "Marc Weiner" <marcweiner at attbi.com>; <s-car-list at audifans.com>
Sent: Sunday, September 15, 2002 2:23 PM
Subject: RE: [s-cars] Fw: Hoppen Stage IV - boost (or lack thereof) issue


> Hi Marc;
>
> I hate to belabour the obvious, but have you checked the pressure hose to
> the ECU at the fuel seperator? This commonly pops off under pressure and
the
> ECU shuts down the boost. Depending on where you tied in your boost guage,
> it may also cause your gauge to read zero.
> Just a quick check you can do before you tear your turbo apart.
>
> HTH
>
> Fred Munro
> '94 S4
>
> -----Original Message-----
> From: s-car-list-admin at audifans.com
> [mailto:s-car-list-admin at audifans.com]On Behalf Of Marc Weiner
> Sent: September 15, 2002 8:49 AM
> To: s-car-list at audifans.com
> Subject: [s-cars] Fw: Hoppen Stage IV - boost (or lack thereof) issue
>
>
> This is a multi-part message in MIME format.
> --
> [ Picked text/plain from multipart/alternative ]
>
> Hey all, don't post often.  I have a 94 S4 w/ Hoppen Stage IV (est.360hp)
> RS2 turbo, exhaust man., injectors, lehman re-worked cyl. head, lower
> compression pistons, lehman stage IV chips (same car written up in EC w/
> Frank "Don" Amoroso, Mark Hunter, etc.)  Anyway, I was doing a typical
> commute to Denver from Ft. Collins and somewhere in the middle of it I
lost
> all boost.  Car seems to be running on just the 20V 5cyl. w/ no turbo
> assistance (or maybe very little).  I have gone through all the hoses (not
> getting any wooshing sound -like its blowing out somewhere BTDT many times

> (have all 3 of the samco sport hoses and and the upgraded adjustable
(metal)
> WBV from Dave Jones.  I know what it sounds like when a hose has popped
off
> and that is that the case here.   I am getting absolute 0 reading on my
TDO
> 0-30psi boost guage (needle won't budge even on full throttle) - car had
> been consistently making 25-26psi at full throttle overboost.  There are
no
> warning lights coming on.  Car had been running flawlessly, however, I do
> have 180k on the clock.   Any ideas????- could it be an ECU or pressure
> sensor problem (the ECU has a 3.0 bar pressure sensor/transducer).  Thanks
> in advance for any help. . . .I am stumped.
> Marc Weiner
> Ft. Collins, CO
>
> --
>
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