OBD 2 Practice Quiz

What kind of Driver's License is necessary to be licensed as an inspector?

• Any license that is valid in North Carolina
• Commercial Driver's License (CDL)
• No license is required

True or False- Emissions Analyzers need to be approved by the Division of Air Quality before being approved for use.

• True
• False

True or False- Emissions related malfunctions always cause an outward indication of a problem.

• True
• False

What are the 3 points of the EPA's strategy to reduce air pollution from transportation sources?

• Improved roads, strict vehicle emissions standards, renewable energy sources for vehicles
• Enhanced public transportation, Reduced speed limits, Alternative transportation options
• Cleaner vehicles, Cleaner fuels, Properly maintained vehicles

What are the 3 goals of the Inspection and Maintenance program?

• Enhance road safety, Improve vehicle aesthetics, Provide vehicle customization options
• Promote vehicle sales, Increase government revenue, Reduce traffic congestion and emissions
• Identify poorly maintained vehicles, insure 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?

• Cleaner vehicles
• Cleaner fuels
• Properly maintained vehicles

What is the purpose of the OBD II systems?

• To monitor emission-related components for malfunction or deterioration
• To control vehicle temperature
• To monitor tire pressure

What is the purpose of the MIL?

• To regulate tire pressure
• To alert the driver when there is a malfunction or deterioration of an emissions component
• To adjust the vehicle's suspension

At what level does the MIL come on?

• When the vehicle reaches a certain speed
• When the vehicle's emissions rise above 1.5 times the EPA guidelines
• When the vehicle is parked

If the unleaded gas restrictor has been tampered with, what component must the owner replace to get the vehicle to pass inspection?

• Gas restrictor and the catalytic converter
• Windshield wipers
• Brake pads