Standard Ignition PR146 Fuel Injection Pressure Regulator

Fuel Pressure Control for Chrysler and Dodge

Standard Ignition PR146 is a fuel injection pressure regulator built for precise fuel delivery and stable engine performance. It is application-specific for proper fit and form, with a straight nipple orientation and a 55 psi operating pressure rating.

Compatible with select Chrysler, Dodge, and Plymouth vehicles from 1989-1995, including LeBaron, Spirit, Daytona, Shadow, Caravan, Sundance, Voyager, and related models, PR146 is a direct-fit service part for fuel system repair. This part cross-references Gates 22860 for the same application.

Key Features

• Fuel injection pressure regulator for gas applications
• 55 psi operating pressure
• Straight nipple orientation
• Includes O-ring for sealing
• Includes caution sheet
• Application-specific fitment for select Chrysler, Dodge, and Plymouth models
• Standard Ignition PR146 replacement part number

Detailed Description

Standard Ignition PR146 is engineered to regulate fuel pressure at the injector rail so the engine receives the correct fuel supply under changing operating conditions. The design emphasizes leak resistance and consistent pressure control, which supports smoother fuel delivery and dependable drivability. Built for gas fuel systems, this regulator is a practical replacement for vehicles that require a 55 psi unit with a straight nipple layout. If you are servicing a Chrysler LeBaron, Dodge Daytona, or Plymouth Sundance, PR146 provides the fitment and pressure specification needed for the repair.

Part number PR146 is also a useful reference when searching for a fuel injection pressure regulator for 1989-1995 Chrysler LeBaron, 1989-1992 Dodge Daytona, or 1989-1991 Plymouth Sundance applications. Standard Ignition PR146 is designed to match the original mounting and function requirements for the listed vehicles.

Common Problems This Part Can Address

• Fuel pressure that is too high or too low at the injector rail
• Fuel leakage around the regulator or sealing surface
• Hard starting caused by unstable fuel pressure
• Rough idle or hesitation related to inconsistent fuel delivery
• Fuel system performance issues on select Chrysler, Dodge, and Plymouth models

Installation Notes and Tips

• Verify the vehicle application and pressure specification before installation.
• Inspect the O-ring sealing surface and replace worn or damaged components as needed.
• Confirm the straight nipple orientation matches the original part.
• Follow the caution sheet included with the regulator during service.
• Check for fuel leaks after installation and before returning the vehicle to service.

Quality Assurance

Standard Ignition uses controlled manufacturing from component production through finished assembly, helping maintain consistent quality and fit. The regulator is built with application-specific engineering to support proper installation and fuel system performance.