Checking Fuel Lines
WARNING: This page is about a different car, the 2005 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the fuel lines and fuel tank for improper mounting, leaks, cracks, damage, loose connections, chafing, or deterioration. As necessary, repair or replace any faulty parts.
Courtesy of NISSAN MOTOR CO., U.S.A.