An engine has lower-than-specified oil pressure. Technician A says the oil pressure relief valve may be stuck closed. Technician B says there may be excessive clearance between the oil pump gears. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Excessive clearance between the oil pump gears can lead to lower oil pressure, while a stuck closed relief valve would cause higher pressure, not lower.

An Engine Has Lower-Than-Specified Oil Pressure