P0302 Dodge - changed plugs wires coil now cat is red hot?

Question

changed plugs wires and ignition coil problem got worse but still reading a #2 misfire and now the cat gets red hot im thinking injector but thought I would ask for advice before dumping any more money into it.

Answer 1

its very possible the injector might be bad, you can unplug the two injectors and check the resistance and compare them that might give you a good idea if the injector is not work.