Where is the fuel sending unit located on a 2007 Nissan quest?

The fuel sending unit on a 2007 Nissan Quest is located inside the fuel tank. To access it, you will need to remove the rear seat cushion and then unscrew the fuel tank access cover. The fuel sending unit is located on the top of the fuel tank and is held in place by a lock ring. You will need to use a special tool to remove the lock ring and then you can unscrew the fuel sending unit from the fuel tank.