Author Question: Technician A says that the pump check valve should hold system pressure for at least five minutes ... (Read 129 times)

Alainaaa8 · **on:** Jun 23, 2018

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?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B

Question 2

Technician A always uses a special service tool to pulse fuel injectors. Technician B says that the injector for each cylinder should only be flow tested four times without starting the engine. Which technician is correct?

A) Technician A only B) Technician B only
C) Both technicians A and B D) Neither technician A nor B