Technician A says that the OBD system on a diesel is continuously judging all major emissions systems for faults. Technician B says that some emissions monitors do not run every drive cycle and take time to correctly judge emissions system operation. Who is correct?
A)Technician A"
B)Technician B"
C)Both A and B
D)Neither A nor B"

Question

Quizplus · Accepted Answer

Technician B is correct because some emissions monitors, especially on diesel engines, do not run every drive cycle and require specific conditions to be met before they can complete their checks.

Technician a Says That the OBD System on a Diesel