how do i fix a obd 2 code of po304 i changed the coil pack plugs and wires on 2007 Dodge Caravan

and the code does not clear

Asked by for the 2007 Dodge Caravan
1 answer
What do you mean 'the code does not clear'? It will not go off by itself, it has to be cleared with a scanner or possibly disconnecting the battery. Is misfire gone after replacing parts?