P0301, galley bolts, cam damage

[Impact4x4]

I have a 2020 Gladiator Sport S Max Tow. 65k miles. P0301 showed up out of nowhere. Replaced plugs, coils, and fuel injectors. Continued to have rough idle at start. Oil pressure would jump up and down. Ran great once warmed up.

After some investigation, decided to check galley bolts. One was lose. Locked it down. First two cranks were perfect, back to normal. Next day, right back to rough idle.

While opened up, noticed some gashes in the cams. Any ideas on what could have caused these?

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[Vtur]

Asset material grinded down at the seam from forging. It's normal.