low oil pressure?

[mantasy3]

i have a 91 300zx NA and the oil pressure fluxuates between 0 and 60 that seems pretty low i was wodering what may be the cause. is it the oil pump?

[Milo (San Antonio)]

probably the oil sender unit itself. My first Z did that as well.

Replaced the sender unit and worked fine. Clean the connection and add a little diaelectric grease to the connection when you replace it as well. Pretty simple fix.