Multiple Choice
The 2018 emission-monitoring system responsible for detecting potential faults that could cause light- and medium-duty diesel emissions to rise above maximum legislated levels is known as _______________.
A) On-Board Diagnostics 1 (OBD)
B) On-Board Diagnostics 2 (OBD-2)
C) Comprehensive Component Monitor (CCM)
D) Emission-Monitoring System (EMS)
Correct Answer:

Verified
Correct Answer:
Verified
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