I have had a bit more time today to spend on it.
I ran the car and unplugged then plugged back in each individual coil (all 8). On the contrary to what I said yesterday, there is a slight difference when unplugging coil 2 and 4 (and every other coil), only slight however. Therefore, I do think every cyl is combusting.
Therefore, I am thinking that the issues aren't isolated to cyl 2 and cyl 4, which were originally the cylinders counting misfires on ista (no codes).
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