I have an Opel Corsa D from 2009 and while driving i noticed it started running weird and i had a loss of power, earlier that day i took the oil pressure switch out to clean it because a light was on. I also took the oil filter out and then just put it back in, the light went out but eventually the car stalled, i opened the oil cap and tried starting the car, i didn’t see anything moving inside of the engine and no oil flying around either. What could this be? Thanks in advance