need help

[johncuvo]

i have a 2001 ford explorer and its giving codes of misfire on #1 cylinder so i put new plugs and wires on it and a week and a have later it said misfire on # 4 so i replaced the coil pack and it still runs rough and then it will clear up and then it will do the same thing can any one help me please thanks

 

[1Aauto]

You may want to try to spray the plug wires and cap with a spray bottle to see if you can see it arching out anywhere on the motor. Hope this helps you out.