OE Quality
60-Day Returns

Standard Ignition FJ790 Fuel Injector
Overview of Standard Ignition Fuel Injector FJ790
The Standard Ignition FJ790 fuel injector is designed specifically for Acura RSX models requiring a reliable MFI injector. This new fuel injector comes in a black finish and includes an o-ring for a secure seal, ensuring proper fuel delivery and engine performance.
- Compatible with Acura RSX fuel injection systems
- New MFI (Multiport Fuel Injection) type injector
- Black color/finish for corrosion resistance
- Includes o-ring for installation
- Male blade terminals with two terminals for electrical connection
Detailed Product Description
The Standard Ignition FJ790 is a new fuel injector engineered for MFI systems, providing precise fuel atomization and delivery to optimize engine efficiency. Its black finish offers durability against environmental factors, while the included o-ring ensures a tight seal to prevent fuel leaks. The injector features two male blade terminals, designed for secure and straightforward electrical connections. This fuel injector is tailored for the Acura RSX, making it a direct replacement part that meets OEM specifications.
Applications and Common Issues Addressed
- Restores proper fuel delivery in Acura RSX MFI systems
- Resolves rough idling or engine misfires caused by faulty injectors
- Eliminates poor fuel economy linked to injector malfunction
- Fixes hesitation or stalling during acceleration
- Prevents fuel leaks with included o-ring seal
Installation Notes and Tips
When installing the Standard Ignition FJ790 fuel injector, ensure the o-ring is properly seated to avoid leaks. Disconnect the battery before installation to prevent electrical shorts. Verify the injector terminals match the vehicle’s wiring harness for a secure connection. It is recommended to clean the fuel rail and injector ports before installation to maintain optimal performance.
Quality Assurance and Warranty
Standard Ignition parts are manufactured to meet or exceed OEM standards. The FJ790 fuel injector undergoes rigorous testing to ensure durability and performance. This product comes with a limited warranty covering defects in materials and workmanship, providing confidence in its reliability for Acura RSX applications.
| Brand | Standard Ignition |
|---|---|
| Part Number | FJ790 |
| Color | Black |
| Fuel Injector Type | MFI Injector |
| Fuel Type | Gas |
| New or Reman | New |
| Notes | Includes O-Ring |
| System Type | MFI |
| Terminal Gender | Male |
| Terminal Type | Blade |
This part fits 3 vehicles. Search below:
| Year | Make | Model | Submodel | Position | Notes |
|---|---|---|---|---|---|
| 2004 | Acura | RSX | Type-S | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2003 | Acura | RSX | Type-S | N/A | Performance fuel injector fits various vehicle makes and models. |
| 2002 | Acura | RSX | Type-S | N/A | Performance fuel injector fits various vehicle makes and models. |
* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
This part directly replaces or is cross-referenced with the following part numbers:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.