How to Safely Service the Fuel Pressure Regulator on a Mercury Grand Marquis?

The presence of highly flammable mixtures in fuel-related components requires service personnel to stay away from smoking and all lighted tobacco products and open flames for safety reasons. The fuel pressure maintains its elevated state after engine shut-off thus operators need to release fuel pressure before disconnecting any lines or components to guarantee personal safety. You should start by clearing fuel pressure and afterward remove the upper intake manifold. First disconnect the vacuum hose from the fuel pressure regulator before removing its snap ring and extracting the fuel pressure regulator from the system. Remove and discard the O-rings as well as the seal components that belong to the fuel pressure regulator. The installation process requires the reverse order of uninstallation steps alongside proper use of new fuel-resistant O-rings that should replace ordinary O-rings which can lead to leaks. Urban citizens should apply engine oil to fuel injector pockets before inserting them because this process aids the installation procedure.

OEM Mercury Grand Marquis Fuel Pressure Regulator

Fuel Tank Pressure Regulator

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4 Fuel Pressure Regulators found

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Mercury Grand Marquis Fuel Pressure Regulator
Part Number: 3R3Z-9F972-AB
$102.32 MSRP: $168.36
You Save: $66.04 (40%)
Ships in 1 Business Day
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Product Specifications
- Other Name: Sensor - Fuel Injector Pressure; Fuel Tank Pressure Sensor; Fuel Pressure Sensor; Pressure Sensor
- Replaces: 3R3Z-9F972-AA, F8CZ-9F972-BE, XW4Z-9F972-BA
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2003-2004 Mercury Grand Marquis | GS, LS, LSE | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Fuel Pressure Regulator
Part Number: F4SZ-9C968-A
$66.52 MSRP: $109.45
You Save: $42.93 (40%)
ADD TO CART
Product Specifications
- Other Name: Regulator - Fuel Pressure; Fuel Injection Pressure Regulator; Fuel Pres Regulator; Pressure Regulator
- Replaced by: PU7Z-9C968-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1997 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
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Mercury Grand Marquis Fuel Pressure Regulator
Part Number: F8ZZ-9C968-AA
$37.42 MSRP: $58.40
You Save: $20.98 (36%)
Ships in 1-3 Business Days
ADD TO CART
Product Specifications
- Other Name: Regulator - Fuel Pressure; Fuel Injection Pressure Regulator; Pressure Regulator
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 2000-2002 Mercury Grand Marquis | GS, LS | 8 Cyl 4.6 L GAS
View related parts
Mercury Grand Marquis Fuel Pressure Regulator
Part Number: F4CZ-9C968-A
Product Specifications
- Other Name: Regulator - Fuel Pressure; Fuel Injection Pressure Regulator; Fuel Pres Regulator; Pressure Regulator
- Replaces: E7FZ-9C968-A, F3LY-9C968-E, E8DZ-9C968-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1986-1993 Mercury Grand Marquis | Base, Colony Park, GS, LS | 8 Cyl 4.6 L GAS, 8 Cyl 5.0 L GAS

Mercury Grand Marquis Fuel Pressure Regulator

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Mercury Grand Marquis Fuel Pressure Regulator Parts Questions & Experts Answers

Fuel Pressure Regulator
F8ZZ-9C968-AA
Q: How to Safely Service the Fuel Pressure Regulator on a Mercury Grand Marquis?
A: The presence of highly flammable mixtures in fuel-related components requires service personnel to stay away from smoking and all lighted tobacco products and open flames for safety reasons. The fuel pressure maintains its elevated state after engine shut-off thus operators need to release fuel pressure before disconnecting any lines or components to guarantee personal safety. You should start by clearing fuel pressure and afterward remove the upper intake manifold. First disconnect the vacuum hose from the fuel pressure regulator before removing its snap ring and extracting the fuel pressure regulator from the system. Remove and discard the O-rings as well as the seal components that belong to the fuel pressure regulator. The installation process requires the reverse order of uninstallation steps alongside proper use of new fuel-resistant O-rings that should replace ordinary O-rings which can lead to leaks. Urban citizens should apply engine oil to fuel injector pockets before inserting them because this process aids the installation procedure.