[Diy_efi] CIS EFI via Fuel Pump PWM

[Kenny Bauman]

Another way to approach pressure control of the CIS
injectors would be to use two selenoids as pressure
regulators. Each fed by its own pump and electrical
system. (remember the original idea was to have
redundancy)

You could then put the regulators (selenoids) very
close to the CIS plumbing and the pumps wherever.

You'd then need a return line unless you kept the PWM
of the pumps as well.

How much effect does the pressure range effect all of
this discussion?

These CIS injectors don't even open up till 3.3 (48.5
psi) bar. And wide open throttle is around 60 psi at
the injector.

Ken Bauman

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