Just curious on how rough/uneven is the idle?
A few hundred rpm, needle jumping around or hunting up/down, etc?
You mention worse at hot start/idle. When your in garage trying to sort it, does it run rough to some degree 100% of the times your start it or sometimes yes, sometimes no.
Can you post a video of it running rough?
I don’t have any great ideas, just trying to get better idea of the problem. These things can be really frustrating - good luck.
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