relentless555

I have a o2 f4i I got from a buddy with fi light on it ran fine with fi light than the other day I jumped it on a speed bump and now it goes on and off when its off it wony idle right and has to have jumper cables to start I changed the battery plugs, wraped all wires, checked fuses and nothing so I jumped the ecm and the light blinks like this 1 2 1 long followed by 1 than either 1 long and 4 of just 5 I couldn't tell can anybody help pls. Also I have clean air mod and just ran sea foam and fi cleaner