cis 3 pot to map sensor conversion questions

Jim Green jeg1976 at yahoo.com
Tue Dec 2 17:51:18 EST 2003


--- Huw Powell <audi at humanspeakers.com> wrote:
> 
> > Alan, the goal is to fake the CIS3 computer into
> > thinking nothing on the engine is out of wack.  I
> wish
> > it were as simple as just feeding it a load signal
> and
> > having it pull timing, but it knows when the load
> > doesn't match engine RPM's and what ever else it
> might
> > be monitoring.  Then it goes into a limp mode, not
> > full retard, but retarded enough to really piss
> you
> > off. 
> 
> This is a very interesting point that I hadn't heard
> of before.
> 
> My 90Q has an odd habit of sometimes turning into a
> dead dog in second 
> gear after a warm start and take-off.  It then comes
> back quite soon, 
> but it is a little irritating, especially since I
> have replaced just 
> about anything I thought could affect it.
> 
> Also, since I was getting no check engine light, it
> didn't make sense 
> for it to a "full retard" situation due to engine
> knock.
> 
> Perhaps it's time to hook up my little harness and
> re-examine my 
> potentiometer's operation under different
> conditions...


Good idea.

=====
Jim Green
'89 80q slow
'89 90tq fast, really fast
http://www.mswanson.com/~jgreen/car_home.html

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