Technician A says that the pump check valve should hold system ...

[ghost!]

Technician A says that the pump check valve should hold system pressure for at least five minutes after the pump is shut off. Technician B says that a defective check valve could cause long cranking time. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B

[xthemafja]

Both technicians A and B

[ghost!]

TYSM

[scottmt]

Thanks for the timely response, appreciate it