/live/media/SI/SI_PR481_Fro.jpg)
Standard Ignition PR481 Fuel Injection Pressure Regulator
| Brand | Standard Ignition PR481 |
|---|---|
| Adjustable | Yes |
| Contents | Includes Caution Sheet |
| Fuel Type | Gas |
| Functions | Regulator |
| New or Reman | New |
| Number of outlets | 1 |
| Reference Port Included | No |
| Type | Returnless |
| Fits | Toyota · 1 vehicle |
Returnless design. Maintains fuel pressure in a gas injection system.
Adjustable regulator. Lets you fine-tune fuel pressure for the system.
New replacement part. Built as a fresh fuel injection pressure regulator.
Cross-references Gates 24189, Standard Ignition PR481 and 2-199049 for the same application. See all 5.
Fuel Pressure Control for Toyota Yaris
Standard Ignition PR481 is a new, adjustable fuel injection pressure regulator for gas returnless systems. It is built for direct service use on the 2008 Toyota Yaris and helps maintain consistent fuel pressure in the injection system.
Key Features
- Adjustable fuel injection pressure regulator for tuning fuel delivery
- Returnless system type for gas applications
- 1 inlet and 1 outlet for straightforward plumbing
- No reference port included
- New replacement part from Standard Ignition
- Includes caution sheet
Application Details
Fits 2008 Toyota Yaris, N/A. The PR481 is a practical replacement for drivers searching for a 2008 Toyota Yaris fuel injection pressure regulator, Standard Ignition PR481, or a returnless gas fuel pressure regulator for Toyota Yaris service work. This part cross-references Gates 24189 for the same application.
What It Helps Address
- Fuel pressure that is too high or too low at the rail or injector feed
- Rough idle caused by unstable fuel delivery
- Hard starting related to inconsistent injection pressure
- Lean or rich running conditions tied to pressure regulation issues
- Fuel system drivability complaints on returnless gas setups
Installation Notes
Verify the vehicle uses a returnless gas fuel system before installation. Confirm inlet and outlet routing, and follow the included caution sheet during service. Match the replacement to the original regulator configuration and inspect related fuel system components for wear, contamination, or leaks before final assembly.
Quality Assurance
Standard Ignition PR481 is a new replacement component built for fuel injection pressure regulation service. Confirm fitment against the 2008 Toyota Yaris application and the original part number before installation.
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 2008 | Toyota | Yaris | 1.5L | L4 | N/A | — |
| No rows match your filter. | ||||||