Hold steady, predictable pressure across the fuel rail with the Delphi Fuel Injection Pressure Regulator FP10056. This regulator controls fuel pressure to the injectors, and it installs as a direct-fit replacement for the 1992-1994 Mazda MX-3 (V6-1.8L), 1993-1997 Ford Probe (L4-2.0L), 1993-2002 Mazda 626 (L4-2.0L), and 1993-1997 Mazda MX-6 (L4-2.0L).
- Fuel-resilient diaphragm: a robust Nitrile diaphragm stands up to high-ethanol fuels for longer life and broad fuel compatibility.
- Precision internals: precisely manufactured internal valves, diaphragms, and springs support performance across engine operating conditions.
- Quiet operation: designed to run with no audible regulator noise.
- Consistent control: delivers consistent, predictable fuel pressure through the system's range for good drivability.
Built with Delphi's OE engineering, this is a standard-replacement, non-adjustable regulator with a maximum pressure reading of 43 psi and a free-flow rating of 21 U.S. gallons per hour. It uses a bolt-style mounting with a single inlet and single outlet; mounting hardware is not included, so consult the vehicle service information for the correct fasteners and whether they may be reused. Country of origin: Brazil.
Manufacturer part number FP10056.
This part cross-references / interchanges with the following part numbers:
Frequently Asked Questions
What does the FP10056 do?
It regulates the fuel pressure supplied to the injectors, maintaining consistent, predictable pressure across the system's range of control for good drivability.
Which vehicles does this regulator fit?
It's a direct-fit replacement for the 1992-1994 Mazda MX-3 (V6-1.8L), 1993-1997 Ford Probe (L4-2.0L), 1993-2002 Mazda 626 (L4-2.0L), and 1993-1997 Mazda MX-6 (L4-2.0L).
Is this fuel pressure regulator adjustable?
No. It is a standard-replacement, non-adjustable regulator with a maximum pressure reading of 43 psi.
Does it include mounting hardware?
No. Mounting hardware is not included; consult the vehicle service information for the correct fasteners and whether they may be reused.
What are signs this regulator may need replacing?
Symptoms such as rough idle, hard starting, poor fuel economy, or a fuel odor may point to fuel-pressure problems. Diagnose the cause first; if a failed regulator is the issue, this replaces it.
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