[BiturboS4] S4 charge pressure control

[Simon Roberts]

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I have logged some data from the charge pressure sensor. It can happen in
any gear, though normally 6th at full throttle.

 <<Boost failure 6th gear.pdf>>

Simon Roberts, Senior Design Engineer
BERU F1 SYSTEMS
Technical Centre
Owen Road
Diss
Norfolk IP22 4ER
Tel:  +44(0) 1379 646212
Fax: +44(0) 1379 646909
Mob: +44(0) 7771 727201
www.f1systems.com

 -----Original Message-----
From: 	Tuan Nguyen [mailto:tuan at grdperformance.com]
Sent:	21 May 2003 18:33
To:	BiturboS4 at audifans.com
Subject:	RE: [BiturboS4] S4 charge pressure control

Do you any data logs?  Are you loosing pressure in all gears or just the
lower gears?  I seem the have the same problem and haven't been able to
figure it out myself.


-----Original Message-----
From: biturbos4-admin at audifans.com [mailto:biturbos4-admin at audifans.com]
On Behalf Of Simon Roberts
Sent: Wednesday, May 21, 2003 6:15 AM
To: BiturboS4 at audifans.com
Subject: [BiturboS4] S4 charge pressure control

Hi all

Is anyone familiar with the charge pressure control system for the S4.
Mine
appears to have developed a fault whereby the car will run at full boost
okay then for some reason the car will suddenly run in a safe mode
running
at low boost.

Can anyone point me in the direction of a sensor or anything else that
might
be faulty??

Simon Roberts, Senior Design Engineer
BERU F1 SYSTEMS
Technical Centre
Owen Road
Diss
Norfolk IP22 4ER
Tel:  +44(0) 1379 646212
Fax: +44(0) 1379 646909
Mob: +44(0) 7771 727201
www.f1systems.com






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[ Boost failure 6th gear.pdf of type application/octet-stream deleted ]