[HuRRiCaNe]

i think ur problem is this line
IsPlayerInVehicle(playerid, Faggio1))
you can use FaggioHasOwner[5]; instead of
new Faggio1HasOwner;
//new Faggio2HasOwner;
//new Faggio3HasOwner;
//new Faggio4HasOwner;
//new Faggio5HasOwner;