Delphi FP10056 Fuel Injection Pressure Regulator

Fuel Pressure Control for Mazda and Ford Applications

Delphi FP10056 is a fuel injection pressure regulator for select Mazda and Ford vehicles, including the Mazda 626, Ford Probe, Mazda MX-6, and Mazda MX-3. It is built with Delphi OE heritage and application knowledge to support consistent fuel system pressure control in the vehicles listed below.

Key Features

• Fuel injection pressure regulator for air and fuel delivery systems
• Non-adjustable design for direct replacement use
• Bolt inlet and bolt outlet connections
• 1 inlet and 1 outlet configuration
• OE-focused engineering backed by Delphi’s long history supplying automakers
• Cross-references Beck/Arnley 158-0322 for the same application

Detailed Description

Delphi FP10056 is a fuel injection pressure regulator used to maintain proper fuel pressure in the injection system on select Mazda and Ford platforms. It is a direct-fit style component with bolt-type inlet and outlet connections, making it a practical replacement for vehicles that require stable fuel delivery and consistent regulator operation. This part is listed for 1993-2002 Mazda 626, 1993-1997 Ford Probe, 1993-1997 Mazda MX-6, and 1992-1994 Mazda MX-3 applications. If you are searching for a fuel injection pressure regulator for a Mazda 626 or Ford Probe, FP10056 is the relevant Delphi part number to reference.

What It Helps Address

• Fuel pressure that is too high or too low
• Rough idle caused by inconsistent fuel delivery
• Hard starting related to pressure regulation issues
• Fuel trim problems tied to unstable injector pressure
• Driveability concerns on Mazda 626, Ford Probe, Mazda MX-6, and Mazda MX-3 models

Installation Notes and Tips

Confirm the inlet and outlet connection style before ordering, since this regulator uses bolt-type fittings and a non-adjustable layout. Verify the vehicle year and engine-specific fuel system configuration against the listed fitment before installation. For best results, inspect related fuel system components and replace any worn seals or damaged lines during service.

Quality Assurance

Delphi draws on more than a century of OE experience, and that heritage is reflected in the engineering approach behind FP10056. The part is built with knowledge developed from supplying major automakers, helping support dependable fuel system service on the listed Mazda and Ford applications.