Final -OBD II Exam Questions with
Actual Complete Answers 2025-2026
Edition.
What kind of Driver's License is necessary to be licensed as an inspector? - Answer Any license
that is valid in North Carolina
Do Emissions Analyzers need to be approved by the Division of Air Quality before being
approved for use? - Answer Yes
Do Emissions related malfunctions always cause an outward indication of a problem? - Answer
No
What are the 3 points of the EPA's strategy to reduce air pollution from transportation sources?
- Answer Cleaner vehicles, cleaner fuels, properly maintained vehicles
What are the 3 goals of the Inspection and Maintenance program? - Answer Identify poorly
maintained vehicles, ensure that vehicles are properly repaired, identify vehicles that have been
tampered with
Which of the EPA's 3 points does NC's I/M program fall under? - Answer Properly maintained
What is the purpose of the OBD II systems? - Answer To monitor emission related components
for malfunction or deterioration
What is the purpose of the MIL? - Answer To alert the driver when there is a malfunction or
deterioration of an emissions component
At what level does the MIL come on? - Answer When the vehicle's emissions rise above 1.5
times the EPA guidelines
If the unleaded gas restrictor has been tampered with, what component must the owner
replace to get the vehicle to pass inspection? - Answer Gas restrictor and the catalytic
Actual Complete Answers 2025-2026
Edition.
What kind of Driver's License is necessary to be licensed as an inspector? - Answer Any license
that is valid in North Carolina
Do Emissions Analyzers need to be approved by the Division of Air Quality before being
approved for use? - Answer Yes
Do Emissions related malfunctions always cause an outward indication of a problem? - Answer
No
What are the 3 points of the EPA's strategy to reduce air pollution from transportation sources?
- Answer Cleaner vehicles, cleaner fuels, properly maintained vehicles
What are the 3 goals of the Inspection and Maintenance program? - Answer Identify poorly
maintained vehicles, ensure that vehicles are properly repaired, identify vehicles that have been
tampered with
Which of the EPA's 3 points does NC's I/M program fall under? - Answer Properly maintained
What is the purpose of the OBD II systems? - Answer To monitor emission related components
for malfunction or deterioration
What is the purpose of the MIL? - Answer To alert the driver when there is a malfunction or
deterioration of an emissions component
At what level does the MIL come on? - Answer When the vehicle's emissions rise above 1.5
times the EPA guidelines
If the unleaded gas restrictor has been tampered with, what component must the owner
replace to get the vehicle to pass inspection? - Answer Gas restrictor and the catalytic
