XBimmers | BMW X3 Forum - View Single Post - Oil coming out of Pre-Cat O2 Sensor

Barbera335 · 03-30-2021, 07:01 PM

I have seen oil pressure sensors fail and pump oil into the engine harness. This is a long shot but I would unplug the O2 sensor connector and just make sure the connector is clean and has no oil in it.

03-30-2021, 07:01 PM	#14
Barbera335 Captain 169 Rep 660 Posts Drives: F25 Join Date: Jul 2008 Location: socal iTrader: (0)	I have seen oil pressure sensors fail and pump oil into the engine harness. This is a long shot but I would unplug the O2 sensor connector and just make sure the connector is clean and has no oil in it.
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