Question

Technician A says that on-board self-diagnostics test mode procedures should be conducted on a cold engine. Technician B says that many diagnostic trouble codes (DTCs) will monitor items only when the engine control system is in closed loop. Who is correct?

A. Neither Technician A nor B
B. Both Technicians A and B
C. Technician A
D. Technician B

Answer 1

Answer: D. Technician B only

Step-by-step explanation:

Answer 2

d I found this was the answer because it was 2 years ago