Fuel Injector
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Infiniti QX4, 2003 Infiniti Q45, 2003 Infiniti M45, 2003 Infiniti I35, and 2003 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.
Turn ignition switch to OFF position. Disconnect fuel injector harness connector. Measure resistance between injector terminals. Resistance should be 13.5-17.5 ohms at 68°F (20°C). Replace injector if resistance is not as specified.