ive been noticing my accord ex feeling hesitant while i am traveling between 60 and 70 mph. it has the feeling as if something is putting the motor in a slight bind for like a second or two.like if it were missing or something.I know its not my plugs or wires cause i recently replaced them,as a matter of fact i replaced ignition coil,cap.plugs ,wires,fuel filter.any and all input is welcome!!! its a 1991 honda accord ex. 5 speed