po300 random misfire.NEW plugs and wires,cap and rotor, fuel pressure checked, fuel filter replaced,still random misfire. Fuel sys1 cl,fuel sys2 cl,Calc load% 15.69, ectf 194, stftb1 4.69,ltftb1 14.84,stftb2 9.38,ltftb2 14.84,map 14.77,rpm 1905, mph 62,maf 3.61 can some one tell me if these readings are normal and still have random misfire??????? Thanks