Fuel pressure?

Tiny
MIROSLAW1960
  • MEMBER
  • 1999 MERCURY MARQUIS
  • V8
  • 2WD
  • AUTOMATIC
  • 175,000 MILES
What should be proper fuel pressure on this car?
Wednesday, September 8th, 2010 AT 6:32 PM

1 Reply

Tiny
WRENCHTECH
  • MECHANIC
  • 20,758 POSTS
Here is a guide to help test the fuel pressure with the specs featured below.

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

Engine Running Fuel Pressure 210-310 kPa 32 to 44 PSI

Key On, Engine Off Fuel Pressure 240-310 kPa 34 to 44PSI

Please let us know if you need anything else to get the problem fixed.
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Wednesday, September 8th, 2010 AT 6:53 PM

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