Lower than specified oil pressure is measured on a high mileage engine. Technician A says that worn main or rod bearings could be the cause. Technician B says that a clogged oil pump pickup screen could be the cause. Which technician is correct?

Question

Quizplus · Accepted Answer

Both technicians A and B are correct. Worn main or rod bearings can lead to lower oil pressure because the increased clearance allows oil to escape more easily, reducing pressure. Similarly, a clogged oil pump pickup screen can restrict oil flow to the pump, also resulting in lower oil pressure.

Lower Than Specified Oil Pressure Is Measured on a High