Chevrolet, Impala, 2010 check engine light code p204

Question

code p204 bank 1 running rich, car runs fine what is the problem?

Answer 1

P0204 Fuel injector control circuit number 2 cylinder

Running rich and a P0204 this code is for the fuel injector of the number 2 cylinder, The fuel injector would be the cause for the code to set.