Technician A says that a defective PCV valve could cause excessive crankcase pressure. Technician B says that a defective PCV valve could cause an oil leak. Who is correct?
A) A only
B) B only
C) Both A and B
D) Neither A nor B

Question

Quizplus · Accepted Answer

Both Technician A and Technician B are correct. A defective PCV (Positive Crankcase Ventilation) valve can indeed cause excessive crankcase pressure, which in turn can lead to oil leaks among other issues.

Technician a Says That a Defective PCV Valve Could Cause