93 gp 3.1

i have a 93 gp with a 3.1 a while back we had a car pull out in front of us and didi a panic stop the car started running like shit then threw a code.went to advance auto pulled codes said o2 and module.replaced o2 still ran like shit replaced module and plugs still not much diff any ideas would be appreciated.im going to replace wires and fuel filter today see if it helps