crown vic 2002
my crown vic 2002 has new fuel filter,fuel pump x3,mass air sensor,new spark plugs,throttle body,altenator,battery and it will run fine in park but as soon as u put in gear starts missing bad wont go nowhere catyst converters is good took off and checked has a new motor ive spent nearly thousand dollars working on it and im a broke person I really need areally good answer from somebody please help