Delphi FP10238 Fuel Injection Pressure Regulator

Fuel Pressure Control for GM Applications

The Delphi FP10238 fuel injection pressure regulator is a metal, returnless-style replacement built for consistent fuel system control. It draws on Delphi’s OE heritage and supplier experience to support dependable operation in select Buick, Chevrolet, and Pontiac applications.

Key Features

• Metal construction for fuel system durability
• Returnless outlet type for the specified OE-style setup
• Push-in inlet with clamp mounting for direct replacement use
• Single inlet and single outlet configuration
• No gauge port and non-adjustable design
• Inlet port diameter: 0.98 in. / 25.0 mm
• Delphi FP10238 fuel injection pressure regulator

Application Details

Compatible with 2000-2005 Chevrolet Impala, 2000-2005 Chevrolet Monte Carlo, 2001-2005 Buick LeSabre, 2002-2005 Buick Park Avenue, 2001-2004 Buick Regal, 2000-2005 Pontiac Bonneville, and 2001-2003 Pontiac Grand Prix. This part cross-references Standard Ignition PR217 for the same application.

Built for fuel injection system service, the Delphi FP10238 helps maintain the pressure control required by returnless fuel delivery layouts. Delphi’s OE background is reflected in the part’s material selection and configuration, making it a practical choice for restoring factory-style fuel regulation on GM vehicles such as the Buick LeSabre and Chevrolet Impala.

Common Problems It Can Address

• Fuel pressure that is too high or too low
• Hard starting caused by unstable fuel delivery
• Rough idle related to pressure regulation issues
• Fuel odor or drivability concerns tied to a failing regulator
• Loss of performance under load from inconsistent fuel pressure

Installation Notes and Tips

Verify the inlet port diameter, push-in inlet style, returnless outlet type, and clamp mounting arrangement before installation. Confirm vehicle application by year, make, and model, especially on Buick, Chevrolet, and Pontiac platforms listed for the FP10238. Inspect related fuel system components for wear or contamination during replacement.

Quality Assurance

Delphi builds aftermarket parts using knowledge developed from 100 years of OE experience and supplier relationships with major automakers. The FP10238 reflects that OE-focused background in its design and application coverage.