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Standard Ignition PR438 Fuel Injection Pressure Regulator
| Brand | Standard Ignition PR438 |
|---|---|
| Contents | Includes Caution Sheet |
| Fuel Type | Gas |
| Functions | Regulator |
| Operating Pressure - PSI | 42 PSI |
| Fits | Isuzu · 11 vehicles |
Fuel pressure regulation. Maintains consistent 42 PSI in gas systems.
Regulator function for fuel injection systems.
Cross-references Standard Ignition PR438, 2-199006 and 800-550 for the same application. See all 5.
Fuel Pressure Control for Isuzu Applications
The Standard Ignition PR438 fuel injection pressure regulator is a gas-system replacement part that helps maintain consistent fuel pressure in the injection system. It is listed for 1988-1992 Isuzu Pickup, 1989-1992 Isuzu Amigo, and 1991-1992 Isuzu Rodeo applications.
Key Features
- Fuel injection pressure regulator for gas systems
- Operating pressure: 42 PSI
- Functions as a regulator to maintain fuel delivery pressure
- Includes caution sheet
- Standard Ignition PR438 replacement part number
Detailed Product Information
Standard Ignition PR438 is a fuel injection pressure regulator built for gasoline fuel systems that require 42 PSI operating pressure. In the fuel delivery system, the regulator helps control pressure at the rail so the engine receives fuel at the expected level during idle, acceleration, and steady cruising. This part is listed for Isuzu Pickup, Isuzu Amigo, and Isuzu Rodeo models within the specified year ranges, making it a direct-fit option for owners searching for a fuel injection pressure regulator for 1988-1992 Isuzu Pickup, 1989-1992 Isuzu Amigo, or 1991-1992 Isuzu Rodeo.
This part cross-references 2-199006 and 800-550 for the same application.
What It Helps Address
- Fuel pressure that is outside the specified operating range
- Hard starting related to unstable fuel delivery
- Rough idle caused by inconsistent rail pressure
- Fuel mixture issues tied to regulator performance
- Driveability concerns on Isuzu Pickup, Amigo, and Rodeo models
Installation Notes and Tips
Verify the vehicle year, model, and fuel system before installation. Confirm that the replacement regulator matches the required 42 PSI specification and review the included caution sheet before service. Clean the surrounding fuel system area before removal to reduce contamination during installation.
Quality Assurance
Standard Ignition PR438 is a cataloged replacement fuel injection pressure regulator for the listed Isuzu applications and is specified for gas systems at 42 PSI. Use the vehicle fitment details to confirm application before ordering.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1992 | Isuzu | Amigo | 2.6L | L4 | N/A | — |
| 1992 | Isuzu | Pickup | 2.6L | L4 | N/A | — |
| 1992 | Isuzu | Rodeo | 2.6L | L4 | N/A | — |
| 1991 | Isuzu | Amigo | 2.6L | L4 | N/A | — |
| 1991 | Isuzu | Pickup | 2.6L | L4 | N/A | — |
| 1991 | Isuzu | Rodeo | 2.6L | L4 | N/A | — |
| 1990 | Isuzu | Amigo | 2.6L | L4 | N/A | — |
| 1990 | Isuzu | Pickup | 2.6L | L4 | N/A | — |
| 1989 | Isuzu | Amigo | 2.6L | L4 | N/A | — |
| 1989 | Isuzu | Pickup | 2.6L | L4 | N/A | — |
| 1988 | Isuzu | Pickup | 2.6L | L4 | N/A | — |
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