Chevrolet Cavalier Line Leak

Hi, Lionheart Here, My Mother Owns A 2004 Cavalier 2.2l, Check Engine And Trac Off Are Constanlty On, Computer Check Indicated Evap System...

When Replacing Fuel Lines, Does One Have To Replace The Entire Line (the Lines Are Rusty Half Way Up Toward The Front Of The Car) Or Can One...

Does The Gas Tank Have To Be Dropped To Replace The Neck Tube That Goes From Gas Opening And Attaches To Tank. Tank Appears To To Sound But...