[urq] Into the CIS abyss

Buchholz, Steven Steven.Buchholz at kla-tencor.com
Mon Nov 22 15:51:09 EST 2004


... and as I was reading my post I remembered what perhaps the biggest
concern would be ... confirm with the Bosch documentation of course ...
if you adjust the pressure at the regulator to be higher than the
opening pressure of the injector you might well have fuel leaking out
the injectors while the engine isn't running ... 

Steve B
San Jose, CA (USA)
> 
> My concern is that the CIS system is based on regulated pressures, and
> it is my understanding that the adjustments on the metering head that
> you are adjusting are intended to set the pressure to match 
> the pressure
> that the injectors open at.  The other variable is the OXS Freq Valve
> contribution ... this may be varied based on WOT as the ECU is in
> control of the duty cycle ... 


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