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

[Peter Berrevoets]

Perhaps a jammed open waste-gate? You said runs like it has little or no
boost, so it runs smoothly but with only a shadow of it's former oomph?

My $0.02

Cheers!

Peter

Toronto, Canada.

> -----Original Message-----
> From: s-car-list-admin at audifans.com
> [mailto:s-car-list-admin at audifans.com]On Behalf Of Marc Weiner
> Sent: Sunday, 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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