Re: MB engine CIS system

["Hans-Juergen Schneider" <hschnei@ibm.net>]

> The system is standard CIS K-Jetronic - up to a point.  There is no
> vacuum connection to the control pressure regulator (a.k.a. warm-up
> regulator), and no pressure control valve in the metering head 
> itself.
....
and later

> With the engine idling at a control pressure of 3.5 bar, I tried
> feeding vacuum into the membrane valve.  At 0.7 bar, it reduced
> control pressure by 0.2 bar.  This doesn't seem to be very much.

Are you sure that the control pressure regulator is the two spring /
membrane design ?
The vacuum feed experiment might not work on a standard regulator.





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. Hans-Juergen Schneider / hschnei@ibm.net .
. 200 Quattro  /  90 Coupe Quattro 20V     .
. Germany                                  .
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