Re: 5000/200 Turbo Fuel Injection

[frankbauer@thevine.net]

>> the atmo port is as you described.  however, mine only has the 3mm
>> nozzle, no 6mm nozzle.  the 3mm vacuum connection runs to some type of
>> vacuum switch mounted on the firewall next to the coil.  this switch is
>> fed with manifold pressure.  btw, i haven't figured out what this switch
>> is for.  it is mounted in the same spot as the wastegate valve on the 86
>> and up 5kt's.  i have not found it in the bentley or the fiche.  the PN
>> is 437 906 283.  anyone have any ideas?
>I looked at this on the wifes 200 turbo.It appears this valve controls boost
>pressure to the warm up regulator,and hence line control pressure.It is
>controlled electronically from the microswitches on the throttle body.At nea
>WOT the valve is actuated,causing a crude form of fuel enrichment.
the purpose you mention sounds reasonable, but my valve has no
electrical connectors.

>I am still unsure what signals the ignition module receives.Does it have a
>direct feed from turbo boost,to control on boost retard,or does it merely
>respond to throttle switches,and RPM?
there is a vaccuum/boost pressure hose that goes from the intake
manifold to the ECU (passenger footwell just ahead of the door on LHD's)

frank

to: IN:chris@maximum-bhp.u-net.com
cc: IN:quattro@coimbra.ans.net