When the POS is on, oil leaks from a wire that is coming from the manifold. There's just one wire
Jun 11, 2014 at 11:13 PM
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JACOBANDNICKOLAS
✓Experienced Mechanic
110,248 POSTS
Not sure what POS is. If you have an electrical sensor that has oil leaking from it, 99.9% chance it is the oil pressure switch (sending unit). Not an expensive part. If you can take a picture of it, I will have a better understanding of what it is.