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You might be at a point where you will have to remove the rocker cover again (and replace the gasket, it's not worth risking a leak) and having a look at all the stuff underneath.
Unless you have access to an oscilloscope to see what the cam/crank signals are like?
You could also swap cam sensors with the exhaust side to see if the fault migrates but it sounds more like something is causing it to give a duff signal.
It might need the timing checked and adjusted. Compare the position of the holes in the reluctor wheels. They should roughly be in sync with each other.
Make sure nothing has broken off the rocker cover like the oil separator return protrusions.
Take off the ESS and send us a photo of what you see on the eccentric shaft. Make sure the magnet wheel is still on the end of it.
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