Volkswagen Digifant Injection

[Jens Stobernack]

I have a 91 GTI that uses the Digifant II system also. I don't have the 
waste gate for the supercharger and I don't think that is a computer 
controlled property. I think it is a mechanical spring loaded gate.

I plan on doing some research into the computer this summer. All I can 
tell you is that it is a HC11 based machine.

What is the application that you are using it for? If you are retro 
fitting it onto a natural aspirated motor I can burn you an eprom that 
matches my stock car.

Let me know what you have found out about the ECU. It's hard to find 
info on this system because is was not built by Bosch. 

Talk to you later,
Jens


On Tue, 1 Apr 1997 Epjetta at aol.com wrote:

> 
> This is the first time I have posted to this group and I have a OEM fuel
> injection
> modification question. The system in question is the VW Digifant as used in
> the Corrado G60(the factory supercharged version). From what I can determine,
> it use's a map sensor, and some sort of air tempeture sensor with a
> potentiometer ( to adjust a/f ratio) in the boost tube to the throttle body.
> It also use's two switches to tell the ECU that the throttle is
> closed/open/full throttle.
> If I'm not mistaken, the ECU also use's the idle control valve to bleed off
> excess boost pressure at full throttle if it exceeds a certain level. The ECU
> also controls timing with knock sensor control. 
> 
> Now my question is, can I use this system with out the boost? I know I'll
> have to reprogram the ECU for non-boost condition's, but is that all? I just
> subscribed to this group and am not sure how much VW or Bosch experiance
> there is floating around in here. If more information is needed, I can
> probably obtain it(but not on the web.for some reason there is a lack of info
> on this system)
> 
> Any help would be greatly appreciated.
> 
> Marty Atcher
> epjetta at aol.com
>