Author Question: The switching valves on the AIR pump have failed several times. Technician A says that a defective ... (Read 66 times)

cool · **on:** Aug 13, 2021

Question 1

The SAI system is used to reduce which exhaust emission?
◦ HC
◦ CO
◦ NOx
◦ Both HC and CO

Question 2

The switching valves on the AIR pump have failed several times. Technician A says that a defective exhaust check valve could be the cause. Technician B says that a leaking exhaust system at the muffler could be the cause. Which technician is correct?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B