Back in the day I would have removed the oil pressure sensor and connected an old oil pressure gauge I kept just for this purpose. I don't know if that's still possible on modern cars.
I wonder if it's possible to see oil pressure on 'live data' via the OBD port.
I suppose you could drain the sump and replace the oil with a heavier grade, if that cures the problem it would seem to indicate bearing or oil pump wear.
Last edited by: bathtub tom on Thu 16 Aug 18 at 15:00
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