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Q:

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

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
and the code does not clear
(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?