coil 2 and 4 missing. Replaced them along with spark plugs still missing.
Try swapping the injectors for 2 & 4 with the injectors for 1 & 3, and see if the misfires move with the injectors.
Tester
Check voltages to the coils. There are testers for doing this.
Swapping injectors on a GDI engine is not a simple task.
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