FRSTDJ

Hello everybody this is frosted JI have a 2003 LS for 30 I recently had valve cover gasket replaced car was running fine then about a month later The starter Wet hat starter replaced After Having starter replaced When I went start the car the car would start then die thought it the 2nd time in car would run also after started being replaced call will not read over 3000 rpm at 3000 rpm the car starts to choke like is cutting off in back all need help please give anyone have this issue please help me out Thank you in advance