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cyl 3 misfire on 06 Pontiac g6 6 cyl on 2006 Pontiac G6

ran the codes and had a cyl 3 misfire. replaced plugs, wires coils, crank sensor and cleaned injectors. still misfiring so I am at a loss. suggestions?

Asked by for the 2006 Pontiac G6
agree with goodguy could be wiring isssue
2 more answers , 1 more comment
agree with goodguy could be wiring isssue
check for injector pulse
Thanks for the advice. With help from a friend replaced that injector and all looks to be well