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2001 Mercury Marquis Replace fuel pressure sensor

Tiny
LSETO32
  • MEMBER
  • 2001 MERCURY MARQUIS
  • V8
  • RWD
  • AUTOMATIC
  • 107,000 MILES
Where is the fuel pressure sensor located? Is it on top of fuel tank? Passenger or driver side?
Tuesday, February 3rd, 2015 AT 8:31 AM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
The fuel pressure sensor is in the fuel rail on the engine.
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Tuesday, February 3rd, 2015 AT 9:16 AM
Tiny
LSETO32
  • MEMBER
  • 2 POSTS
The rail on the engine is the "Fuel pressure regulator" not the fuel pressure sensor
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Tuesday, February 3rd, 2015 AT 11:32 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If there is a regulator on the fuel rail, then it is not a PWM system and it doesn't have a fuel pressure sensor. The sensor is only used on the PWM regulated system and that may have been on later models.
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Tuesday, February 3rd, 2015 AT 1:18 PM

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