pull up the bottom of the rear seat. IT SHOULD HINGE TOWARD YOU. THERE WILL BEEN A FLAP IN THE CARPET ON THE PAASENGER SIDE. PULL THAT UP &I WILL BE UNDER THE PLASTIC CAP UNDER THE CARPET FLAP.
It is an electric fuel pump that is mounted in the gas tank. The cost should be around $50 to $55. You do not need to remove the gas tank to change the pump - just tilt up the bottom of the back...