According to Nissan Shatai, 6,885 were produced in 1993. Of that number, 4526 were exported for sale outside of Japan. This is 1993 calendar year production. As far as 1993 model years exported for...
The oil pressure sending unit is located up on the head near the pulley for the power steering pump. It is on the back side of the head. I had to replace mine. It is an easy job.