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Old 06-05-2008, 03:31 PM   #208 (permalink)
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Originally Posted by monroe74 View Post
Interesting. In the drawing, the tube connecting the pressure regulator to the intake manifold definitely implies that the fuel pressure is not constant. But I'll be very interested in hearing whatever you figure out.
I hooked up at a sentence in an engine manual (in Italian...): "the valve makes the pressure difference constant". If you think about it, for the fuel to go through the injector opening at the same speed in all conditions, the pressure *difference* from one side of the injector hole (the injector's fuel chamber) and the other side (the cylinder entrance) must the constant... this is my suspicion. I'll have to take the car for revision soon, maybe I'll try to talk to someone there at Ford.
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