Motor Vehicle Division Vehicle Inspection Standards 3 — Questions and Answers
Question 1: A vehicle's OBD-II system shows a 'readiness monitor not complete' status. How does this affect inspection in states with emissions testing?
- Vehicle automatically passes if no check engine light is on
- Vehicle fails because monitors must be set before testing (Correct answer)
- Vehicle receives a waiver for 30 days
- Inspector resets the monitors and retests immediately
Correct answer: Vehicle fails because monitors must be set before testing
If OBD-II readiness monitors are incomplete (not set), the vehicle fails emissions inspection because the system has not verified emission control components are working.
Question 2: When inspecting a vehicle's exhaust system, which condition is cause for immediate failure?
- A slightly louder than stock muffler
- A leak in the exhaust manifold allowing fumes into the cabin (Correct answer)
- Aftermarket exhaust tips
- Minor surface rust on the muffler exterior
Correct answer: A leak in the exhaust manifold allowing fumes into the cabin
An exhaust leak that allows carbon monoxide fumes to enter the passenger cabin is a life-threatening safety hazard requiring immediate failure.
Question 3: What is the standard test for ensuring a vehicle's horn meets inspection requirements?
- It must be audible from 200 feet away under normal conditions
- It must produce sound at a specific decibel level measured by equipment
- It must function when activated and produce a sound audible at a reasonable distance (Correct answer)
- It must sound for at least 3 seconds continuously
Correct answer: It must function when activated and produce a sound audible at a reasonable distance
The horn must operate when activated and emit a sound audible at a reasonable distance; there is no specific decibel requirement for standard inspections.
Question 4: Which condition involving a vehicle's fuel cap would cause it to fail an emissions-related inspection?
- The cap is a non-OEM replacement
- The cap is missing or does not seal properly (Correct answer)
- The cap requires more than one turn to close
- The cap has a small surface crack not affecting the seal
Correct answer: The cap is missing or does not seal properly
A missing or improperly sealing fuel cap allows fuel vapors to escape, which is an evaporative emissions violation causing an inspection failure.
Question 5: During a brake inspection, a technician measures rotor thickness and finds it below the manufacturer's minimum discard thickness. What must happen?
- The vehicle passes with an advisory to replace rotors soon
- The vehicle fails; rotors must be replaced before it can pass (Correct answer)
- The vehicle passes if brake pads are still within limits
- The vehicle requires a second opinion from a senior inspector
Correct answer: The vehicle fails; rotors must be replaced before it can pass
Rotors worn below the manufacturer's minimum discard thickness cannot safely dissipate heat and must be replaced before the vehicle can pass inspection.
Question 6: A vehicle arrives for inspection with a check engine light illuminated. Which statement is most accurate?
- The vehicle automatically fails in all states
- The vehicle passes as long as it is not an emissions-related code
- In most states with emissions programs, an illuminated MIL causes failure (Correct answer)
- The light must be on for more than 30 days to count as a failure
Correct answer: In most states with emissions programs, an illuminated MIL causes failure
In states with emissions programs, a malfunction indicator light (MIL) that is illuminated indicates an active fault and typically results in an automatic emissions failure.
Question 7: Which of the following suspension components, if found worn or damaged, would most directly cause a vehicle to fail inspection?
- Dust boot on a tie rod end
- Ball joint with excessive play affecting steering control (Correct answer)
- Slightly faded shock absorber paint
- Minor surface corrosion on a coil spring
Correct answer: Ball joint with excessive play affecting steering control
Excessive play in a ball joint compromises steering and handling safety, making it a direct cause for inspection failure.
Motor Vehicle Division Vehicle Inspection Standards 3
A vehicle's OBD-II system shows a 'readiness monitor not complete' status.
How does this affect inspection in states with emissions testing?