Fuel Pipe "O" Rings
WARNING: This page is about a different car, the 2003 Pontiac Grand Am, 2003 Oldsmobile Alero, 2003 Chevrolet Monte Carlo, and 2003 Chevrolet Impala. However, it is still accessible from the selected car via links, so may be relevant.
"O" rings seal the threaded connections in the fuel system. The fuel system "O" ring seals are made of special material. Service the "O" ring seals with the correct service part.