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Where does the vacuum line on the fuel rail connect at?

Tiny
FOGGY413
  • MEMBER
  • 2008 FORD F-150
  • 4.6L
  • V8
  • 4WD
  • AUTOMATIC
  • 128,000 MILES
Replacing engine, can't find hose that connects to fuel pressure regulator on the fuel rail.
Monday, December 5th, 2022 AT 5:51 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

The fuel pressure regulator requires a constant engine vacuum. On this vehicle, it runs directly to the intake manifold.

If you look below, number 1 shows the regulator, and number 5 is the intake manifold.

Check the manifold itself for the hose.

Let me know if this helps.

Take care,

Joe
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Monday, December 5th, 2022 AT 9:09 PM
Tiny
FOGGY413
  • MEMBER
  • 2 POSTS
Thank you! This answers my question. You guys are great!
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Tuesday, December 6th, 2022 AT 6:04 AM
Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,758 POSTS
Hi,

You are very welcome. I'm glad it helped.

Take care and feel free to come back anytime in the future.

Joe
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Tuesday, December 6th, 2022 AT 3:10 PM

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