Standard Ignition PR4 Fuel Injection Pressure Regulator

Reliable Fuel Injection Pressure Regulator for Buick and Pontiac

The Standard Ignition PR4 fuel injection pressure regulator is designed to maintain consistent fuel pressure for optimal engine performance. Engineered for gas-powered vehicles, this regulator ensures precise fuel delivery in select Buick, Oldsmobile, and Pontiac models.

• Compatible with Buick, Oldsmobile, and Pontiac models including Bonneville, Firebird, and Grand Am
• Operating pressure set at 44 psi for stable fuel regulation
• Straight nipple orientation for straightforward installation
• Includes caution sheet for safe handling and installation
• Part number PR4 for easy identification and replacement

Product Details and Specifications

The Standard Ignition PR4 fuel injection pressure regulator is specifically designed for gas-fueled engines requiring precise fuel pressure control. With an operating pressure of 44 psi, it maintains consistent fuel flow to the injectors, supporting efficient combustion and engine responsiveness. The straight nipple orientation simplifies connection to existing fuel lines, reducing installation complexity. This part is compatible with a range of Buick, Oldsmobile, and Pontiac vehicles such as the Buick LeSabre, Oldsmobile Cutlass Calais, and Pontiac Riviera, ensuring proper fitment and function.

Applications and Problem Resolution

This fuel injection pressure regulator is used to control fuel pressure within the fuel injection system, helping to address issues such as:

• Irregular fuel pressure causing engine hesitation or stalling
• Poor fuel economy due to inconsistent fuel delivery
• Hard starting or rough idling in compatible Buick, Oldsmobile, and Pontiac models
• Fuel leaks or pressure drops from a failing regulator
• Check engine light triggered by fuel system faults

Installation Notes and Tips

When installing the Standard Ignition PR4 regulator, ensure the fuel system is depressurized before removal of the old part. The straight nipple orientation allows for direct hose connection without modification. Follow the included caution sheet for safety guidelines and torque specifications. Verify compatibility with your specific vehicle model and engine type prior to installation to avoid fitment issues.

Quality Assurance and Warranty

Standard Ignition parts are manufactured to meet or exceed OEM standards for durability and performance. The PR4 fuel injection pressure regulator undergoes rigorous quality control to ensure reliable operation. While specific warranty details may vary, Standard Ignition typically offers coverage against defects in materials and workmanship. Consult product documentation or your parts provider for exact warranty terms.