Where is the fuel pump located on a 1999 infiniti QX4?

The fuel pump on a 1999 Infiniti QX4 is located inside the fuel tank. To access it, you'll typically need to remove the rear seat and then the access panel on top of the tank. Alternatively, you can drain the fuel tank and remove it from the vehicle for easier access. Always ensure to take safety precautions when working with fuel systems.