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1996 S-10 Blazer 4.3L Fuel Pressure Regulator Hose?

Tiny
UN_NUYORICAN
  • MEMBER
  • 1996 CHEVROLET TRAILBLAZER
I'm replacing a bad fuel pressure regulator and the manual says there is suppose to be a hose attached to the FPR. When I removed the upper intake manifold, there was not a hose connected to the old FPR. Am I missing something? There is a vacuum hose that connects to the top of the intake manifold, but no hose that connects directly to the FPR.
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Wednesday, April 5th, 2006 AT 8:43 AM

4 Replies

Tiny
KENB79764
  • MECHANIC
  • 52 POSTS
Does the fpr mount to the intake or the fuel rail? If it mounts to the intake, it is the style that draws it's vacuum directly off of the intake where it mounts. Also, did the fpr have an electrical connection, if so it is one that is computer controlled. Whichever, make sure the replacement matches the old one exactly.
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Wednesday, April 5th, 2006 AT 9:11 AM
Tiny
UN_NUYORICAN
  • MEMBER
  • 2 POSTS
The FPR mounts to the fuel Rail, which sits under the intake manifold. The replacment is exactly like the original. I suspect the manual is wrong and that there is not suppose to be a hose connected to it. That the vaccum is obtained from the space inside the manifold. No electrical connection.
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Wednesday, April 5th, 2006 AT 11:40 AM
Tiny
KENB79764
  • MECHANIC
  • 52 POSTS
The manuals usually cover several years and models so that is most likely it.
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Wednesday, April 5th, 2006 AT 7:01 PM
Tiny
FDLECUYER
  • MEMBER
  • 9 POSTS
Your right there's no line to hook on your regulator. It goes behind the fuel injector housing with the metal clip nothing else.
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Tuesday, April 11th, 2006 AT 8:20 PM

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