Author Question: On-board diagnostic (OBD) systems I and II are being discussed. Technician A says that only OBD II ... (Read 385 times)

darbym82 · **on:** Aug 13, 2021

Question 1

OBD II has been on all passenger vehicles in the United States since ________.
◦ 1986
◦ 1991
◦ 1996
◦ 2000

Question 2

On-board diagnostic (OBD) systems I and II are being discussed. Technician A says that only OBD II systems require misfire detection. Technician B says that OBD I was capable of detecting exhaust emission control system failures. Who is right?
◦ Technician A only
◦ Technician B only
◦ Both technicians A and B
◦ Neither technician A nor B