Thanks for the ideas. I’m going to removed the rockers on number 7 and check and see if the lifters and cam is jacked because it is a hard miss on 7 and 2. I have swapped coils and injectors already and doesn’t move.
I replaced all plugs and coils and wires and swapped after repair and nothing changed. Check compression test forgot the numbers will do again soon and do remember cylinder to be all pretty close.
2006 tahoe with misfire on 2 and 7 only at idle and goes away when accelerating, loud rattling noise when at idle and accelerating. I have a video of the noise how do I post that
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