Fuel Injector Volume
WARNING: This page is about a different car, the 2003 Mazda Protege5, 2003 Mazda Protege, 2003 Mazda MX-5 Miata, 2003 Mazda MPV, and 2003 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Disconnect battery. Remove fuel rail assembly and fuel injectors from intake manifold. See REMOVAL, OVERHAUL & INSTALLATION article.
- Using a fused jumper wire, connect DLC-1 connector terminals F/P and GND. Connect aftermarket fuel injector tester to fuel injector. Turn ignition on for 15 seconds. Measure each fuel injector output volume. See FUEL INJECTOR OUTPUT VOLUME SPECIFICATIONS table. If fuel injector output volume is not as specified, replace fuel injector.
- When all fuel injectors have been checked, remove fuel injector tester and reinstall all components. Check system for leaks.
FUEL INJECTOR OUTPUT VOLUME SPECIFICATIONS
| Application | Quantity (cc) |
|---|---|
| MAZDA6 (2.3L) | 61-79 |
| Miata | 68-82 |
| MAZDA6 (3.0L) & MPV | 49-65 |
| Protege & Protege5 | 68-75 |