Dead Puppy

something is wrong with my car I dont even know where to start order a new throttle position sensor and a new fuel pressure sensor clean the throttle body cleaned the mas that helped a lil ..its like sometimes ill try to go from a stop light and it wont go past 20-30 mph and then it makes this gods awful noise but after cleaning everything its alot better but it still feels off and I cleared the check engine light then cleaned stuff and then it went back on please help

Dead Puppy

I know that was rushed if anyone needs to ask anything to help I will be glade to answer the best I Can