i have a 01 mustang in november it stalled out without warning. i checked the shrader valve no fuel pressure. i replaced the pump it started but would bog and die part throttle. i replassed pump and it ran fine.march same thing put to more pumps in and will not start will run with starter fluid for 5 min and has 3lbs fuel pressure. what dose the fuel pump driver module do. i have a p1233 stored code. no check engine light