Fuel pressure specifications needed

Tiny
DONNA WILSON2
  • MEMBER
  • 1997 MERCURY MOUNTAINEER
  • 5.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 200,000 MILES
Need to know what the fuel pressure should be on the vehicle listed above.
Saturday, June 13th, 2020 AT 3:25 PM

1 Reply

Tiny
DANNY L
  • MECHANIC
  • 5,648 POSTS
Hello, I'm Danny.

If you don't have access to a fuel system pressure tester most auto parts stores have a tool loaner program and can rent you one.Here is a tutorial showing what is involved for testing fuel pressure:

https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator

The fuel pressure specification for your vehicle is 35-45 p.s.i. Hope this helps and thanks for using 2CarPros.
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Saturday, June 13th, 2020 AT 4:03 PM

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