[Diy_efi] CIS EFI via Fuel Pump PWM

[ARKK]

Now that is an excellent question.

How long will it take the injectors to bleed off pressure in 6 feet of 3/8 fuel line from around 70 psi to 50 psi? I'll ask it.

Anyone actively doing any fuel pump PWM experiments?


> Message: 3
> From: Bernd Felsche <bernie at innovative.iinet.net.au>
> Subject: Re: [Diy_efi] CIS EFI via Fuel Pump PWM
> To: diy_efi at diy-efi.org
> Date: Mon, 5 Aug 2002 08:44:57 +0800 (WST)
> Reply-To: diy_efi at diy-efi.org
>
> ARKK tapped away at the keyboard with:
>
> > I asked this a week or two ago. I'm still hoping someone will ut in
> > their two cents about the viability.
>
> > The idea was that CIS injectors could adequately be controlled via
> > fuel pump modulation for pressure control.
>
> Unlikely to be successful unless the pump is quite close to the
> injector. System delays will be the source of control problems;
> it'll take a while for the pressure to build up over a couple of
> metres of fuel line.
>
> What will you do to _reduce_ the pressure when load reduces?
>
> --
> /"\ Bernd Felsche - Innovative Reckoning, Perth, Western Australia
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