oil gauge drop to 0
I wouldn't drive the car till I had it looked at. Could be a faulty oil pressure sensor, gauge or you truly did lose oil pressure.
Put a manual oil pressure gauge on it. Making any rattling noise? It's a bad oil sending unit or needs an oil pump and screen.
does it stay at 0, or just when you come to a stop? either of these, it is most likely the oil pump. the sending unit will cause the gauge to read high when driving and the drop when you stop.
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