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

During the maintenance of the fuel pressure regulator, smoke or open fire should not be near fuel parts because it is flammable. Deftube fuel lines. Unscrew the top inlet manifold, unplug the vacuum pipe and unscrew the regulator. Install new fuel-resistant O-rings and lubricate injector pockets with clean engine oil.

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
$58.57 MSRP: $96.36
You Save: $37.79 (40%)
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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
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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 and Q&A

Fuel Pressure Regulator
F8ZZ-9C968-AA
Q: How to Safely Service the Fuel Pressure Regulator on a Mercury Grand Marquis?
A: During the maintenance of the fuel pressure regulator, smoke or open fire should not be near fuel parts because it is flammable. Deftube fuel lines. Unscrew the top inlet manifold, unplug the vacuum pipe and unscrew the regulator. Install new fuel-resistant O-rings and lubricate injector pockets with clean engine oil.