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Toymods Board Member I supported Toymods
Location: Turramurra, Sydney.
Registered: May 2002
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Re: fuel pressure regulator???
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Tue, 22 October 2002 13:10
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They actually come standard on pretty much all EFI cars. They are a vacuum controlled restrictor, that is open at full vacuum (idle). As vacuum drops fuel pressure increases, and thus more fuel can flow.
I guess it's just a coarse adjustment before the injector duty does the adjusting.
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