BallerCamaro21

so the other day i had a engine acc brack put in and one of the spark plug wires got pinched cause my car to misfire bad. well i replace the wires and plugs and it was running fine for about 10 min then i droe my car home and the ses light came on throwing a po307 code and started to running not so good a little bit. What needs to be replace. the wires are hook up correct to the firing order. So what now???

monster81

make sure the wires are seated well on the plugs..or if u have headders, u might have a wire touching or too close to the headders