if it was his pick up tube wouldn't his oil pressure gauge show 0 pressure our really lowDid it come on and go off again?
It could mean that you were either starving the pick-up tube via cornering or acceleration, or that maybe the pick-up tube gasket is blocking the oil flow, or maybe that the pickup tube itself is busted.
Are you getting any valvetrain noise? clak-clak-clak-clak-clak-clak that matches rpm?
and the thing that suck is that if your sensor is faulty the sensor is connected to the whole o2 sensor wiring harnest.the light is controlled by the oil level switch on the side of the pan.light comes on 1 quart low.or if 1/2 quart low and you park on a good hill.or the switch is faulty.