rough acceleration
 

recently getting a misfire at 4000 rpm acceleration


after OBDii reading I got P0113


I earsed the code and they did not return but still same symptom
I am now thinking a bad cop

2000 duratec

If it is while you are moving, check fuel pressures first. A plugged filter will cause a high speed miss. Then you can check the ignition system. If you are in park and doing it, that is normal for the computer to shut off the fuel.