Hey there. You do not need to replace all 4 rotors at the same time, but it is recommended to replace the rotors (//m.whoreclub.com/services/brake-rotor-disc-replacement) and pads (//m.whoreclub.com/services/brake-pads-replacement) as a set for each axle front or back at the same time....
If the fuel pump fuse keeps blowing then the most common cause of this the fuel pump in the tank is drawing too many amps and blows the fuse after it overheats. Replace the intank fuel pump and the filter....