injector duty cycles

Mark Eidson mark.eidson at tempe.vlsi.com
Fri Dec 6 20:10:48 GMT 1996


Do you think the the Chrysler products are mesuring the fuel line pressure
and compensating the injector pulse width accordingly?  me


At 12:31 PM 12/6/96 -0800, you wrote:
>tom cloud wrote:
>> 
>> >I noticed that my fuel injected 75 280Z has a fuel pressure regulator that
>> >is controlled by manifold pressure.  I assume that this compensates for
>> >presssure differential across the injectors.  Has anyone made a system that
>> >uses an ECU controlled fuel pressure regulator to compensate for the wide
>> >range from idle to WOT?  me
>> 
>> The Ford EFI also varies the injector pressure -- don't remember how.
>> 
>> Tom Cloud <cloud at peaches.ph.utexas.edu>
>
>Every port injection system I remember from the big three have a vacuum 
>operated fuel pressure regulator.  The exception may be some of the new 
>Chrysler products with no fuel return line.
>
>Best Regards, Mazda
>
>
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