I conclusively found the issue. It's the alt/strtr/b+ cable. Stealershiip damaged it and once replaced, absolutely zero issues for months now.
It also mad my valvetronic behavior so much better.
Proper wiring/cabling/voltage is so important.
Of course, right after doing the cable, the next day it happened a few times. It was trying to recalibrate with proper voltage. I reset all adaptations the next day and all has been perfect.
It feels great to have forgotten how annoying this was. Yay!
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