Fuel pressure regulator

Tiny
GMBAM
  • MEMBER
  • 1996 CHEVROLET ASTRO
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 250,000 MILES
I have a 4.3L v6 and I am replacing the fuel pressure regulator which is supposed to have a vacuum hooked to it. Mine however was missing and I can't locate the line. So the question is, where is the line supposed to hook to so I may install it?
Tuesday, October 7th, 2008 AT 4:48 PM

1 Reply

Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
It is hard to say where the line is currently as they tend to fall off when the line gets old so if you cannot find it, then you can run a new one from the intake manifold. Take a look at this attachment below as you will see that it explains the regulator gets vacuum from the intake manifold.

So as long as the line is run from the manifold, then any vacuum source will work. Let us know what questions you have. Thanks
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Saturday, December 12th, 2020 AT 7:22 PM

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