What is the purpose of the fuel pressure regulator in Ford F-250 EFI models?

EFI models maintain constant fuel pressure from the fuel pressure regulator by causing resistance beyond the injectors, thus allowing some of it to go back to the tank. It can vary its restriction through engine vacuum, a diaphragm, and a spring as engine requirements change. Additionally, when the fuel pump is not running, the restrictor closes very fast and acts like a check valve thereby aiding quick engine restarts. For proper functioning, fuel flow should be unblocked, an open return path must exist along with a dependable vacuum signal. Failure can result in overpressure or underpressure which are caused by contamination or valve malfunctions.

Genuine Ford F-250 Fuel Pressure Regulator

Fuel Tank Pressure Regulator

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12 Fuel Pressure Regulators found

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Ford F-250 Regulator - Fuel Pressure
Part Number: 3C2Z-9G735-AA
$401.40 MSRP: $948.94
You Save: $547.54 (58%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Ford F-250 | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 4AT E4OD, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: F81Z-9C968-AB
$355.34 MSRP: $592.73
You Save: $237.39 (41%)
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Product Specifications
- Other Name: Fuel Pressure Regulator
- Replaced by: PU7Z-9C968-B
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT E4OD, 4MT, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: 2C3Z-9C968-BA
$324.89 MSRP: $650.91
You Save: $326.02 (51%)
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Product Specifications
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1996 Ford F-250 | 8 Cyl 7.3L | 3AT C6, 4AT E4OD, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: F4SZ-9C968-A
$75.24 MSRP: $124.36
You Save: $49.12 (40%)
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Product Specifications
- Other Name: Fuel Pressure Regulator
- Replaced by: PU7Z-9C968-C
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1994-1998 Ford F-250 | 8 Cyl 5.4L, 8 Cyl 5.8L, 8 Cyl 7.5L | 3AT C6, 4AT 4R100, 4AT 4R70W, 4AT E4OD, 4MT, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: XR3Z-9C968-AA
$65.56 MSRP: $108.36
You Save: $42.80 (40%)
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Product Specifications
- Replaced by: HU2Z-9C968-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1999 Ford F-250 | 8 Cyl 4.6L, 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: E7FZ-9C968-A
Product Specifications
- Other Name: Fuel Pressure Regulator; Pressure Regulator
- Replaced by: F4CZ-9C968-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1989 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4AT E4OD, 4MT, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: F4CZ-9C968-A
Product Specifications
- Other Name: Fuel 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:
- 1985-1993 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4AT E4OD, 4MT, 5MT
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Ford F-250 Regulator Assembly
Part Number: E6TZ-9C968-B
Product Specifications
- Other Name: Regulator Assy
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1989 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4AT E4OD, 4MT, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: E7TZ-9C968-E
Product Specifications
- Other Name: REGULATOR - FUEL PRE
- Replaced by: F4TZ-9C968-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1989 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Regulator - Fuel Pressure
Part Number: E8DZ-9C968-A
Product Specifications
- Other Name: Fuel Pressure Regulator
- Replaced by: F4CZ-9C968-A
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1985-1989 Ford F-250 | 6 Cyl 4.9L, 8 Cyl 5.0L, 8 Cyl 5.8L, 8 Cyl 7.5L | 3AT C6, 3MT, 4AT AOD, 4AT E4OD, 4MT, 5MT
View related parts
Ford F-250 Regulator - Fuel Pressure
Part Number: F4TZ-9C968-B
Product Specifications
- Other Name: Fuel Pressure Regulator
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1997-1998 Ford F-250 | 8 Cyl 4.6L | 4AT 4R100, 4AT 4R70W, 4AT E4OD, 5MT
- 1994-1995 Ford F-250 | 8 Cyl 5.0L | 3AT C6, 4AT E4OD, 4MT, 5MT
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Ford F-250 Regulator - Fuel Pressure
Part Number: F85Z-9C968-AA
Product Specifications
- Manufacturer Note: GFI part #R1-193, Conversion kit;LPG/Gasoline
- Warranty: This genuine part is guaranteed by Ford's factory warranty.
Fits the following Vehicles:
- 1998-1999 Ford F-250 | 8 Cyl 5.4L | 4AT 4R100, 4AT 4R70W, 5MT

Ford F-250 Fuel Pressure Regulator

The Fuel Pressure Regulator is used in Ford F-250 vehicles in an effort to regulate overhead fuel pressure in the fuel injected systems. It is normally connected to the fuel rail, and works with spring and diaphragm, with its action controlled by the vacuum the engine creates. At idle, fuel is bypassed back to the tank, and if the throttle is opened more vacuum is decreased to allow more fuel pressure to the engine required by it. Different types of Fuel Pressure Regulators have been used in F-250 over the years, including adjustable for use in altered application and static for the use in returnless systems. Most OEM regulators are of a non-adjustable type and hence their performance is restricted once changes are affected. This, on the other hand, allows for a great deal of adjustment and compatibility with a wide range of fuel types, and tuning as per application, be it street or racing.

We provide a wide range of Ford F-250 Fuel Pressure Regulator at the best prices possible. If you need Ford F-250 Fuel Pressure Regulator, you can shop with confidence on our website. All our OEM parts come with a manufacturer's warranty and are delivered to your door step with a fast delivery service.

Ford F-250 Fuel Pressure Regulator Parts Questions & Experts Answers

Regulator - Fuel Pressure
2C3Z-9C968-BA
Q: What is the purpose of the fuel pressure regulator in Ford F-250 EFI models?
A: EFI models maintain constant fuel pressure from the fuel pressure regulator by causing resistance beyond the injectors, thus allowing some of it to go back to the tank. It can vary its restriction through engine vacuum, a diaphragm, and a spring as engine requirements change. Additionally, when the Fuel Pump is not running, the restrictor closes very fast and acts like a check valve thereby aiding quick engine restarts. For proper functioning, fuel flow should be unblocked, an open return path must exist along with a dependable vacuum signal. Failure can result in overpressure or underpressure which are caused by contamination or valve malfunctions.

Related Ford F-250 Parts

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1999 Fuel Pressure Regulator 1998 Fuel Pressure Regulator 1997 Fuel Pressure Regulator 1996 Fuel Pressure Regulator 1995 Fuel Pressure Regulator 1994 Fuel Pressure Regulator 1993 Fuel Pressure Regulator 1992 Fuel Pressure Regulator 1991 Fuel Pressure Regulator 1990 Fuel Pressure Regulator 1989 Fuel Pressure Regulator 1988 Fuel Pressure Regulator 1987 Fuel Pressure Regulator 1986 Fuel Pressure Regulator 1985 Fuel Pressure Regulator