Question: When engine starts oil pressure is good but oil pressure light comes on.
Oil pressure light will go off after engine is on for a short period of time (oil pressure gauge always shows normal oil pressure.)
When this issue started a slight amount of oil leaks from the area of the oil pressure sensor & sender.
How do I fix this issue?

Answer by Chuck Tator:
In time the diaphragms go bad in the oil switches and sending units. I would replace both of them.