Oil pressure dropped on 1992 Buick Park Avenue

My husband was driving and all of a sudden the oil pressure dropped to zero and then the car shut off. Could it be the oil pump?

Asked by for the 1992 Buick Park Avenue
1 answer 1 comment
Oil pumps don't usually work fine then drop to zero pressure, although it's possible. Whenever I'm addressing oil pressure issues, I check the oil level, then perform an oil pressure check to see if it's a pressure issue or an electrical issue.
what would the problem be ??? the pump (& or) electrical issue ? the oil level is reading normal. when the engine was running, the lifters were ticking.