TEXAS VEHICLE EMISSIONS INSPECTOR
LICENSE EXAM – EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALE | 2027 Q&A | INSTANT
DOWNLOAD PDF
1. A Texas vehicle inspector applying for inspector certification must meet which
minimum age requirement?
A. 16 years old
B. 18 years old
C. 19 years old
D. 21 years old
Rationale: The Texas Department of Public Safety requires an applicant for vehicle inspector
certification to be at least 18 years old. Other requirements include the application process,
background review, and successful completion of the required examination.
2. Which agency is responsible for administering the Texas vehicle inspection
program and certifying vehicle inspectors?
A. Texas Commission on Environmental Quality
B. Texas Department of Motor Vehicles
C. Environmental Protection Agency
D. Texas Department of Public Safety
Rationale: The Texas Department of Public Safety administers the vehicle inspection program
and provides inspector certification, training materials, and inspection-station oversight. TCEQ
has an important role in the emissions component of the state's I/M program.
3. Which resource is specifically identified by Texas DPS as study material for
emissions inspections?
A. VI-81
B. VI-82
C. VI-88A
D. VI-100
Rationale: VI-81 is the Texas DPS study material specifically identified as “VI Emissions
Inspections Study Material” and focuses on On-Board Diagnostics testing.
, 4. The Texas DPS Vehicle Inspection Operations & Training Manual specifically
dedicated to emissions is identified as:
A. VI-81
B. VI-82
C. VI-87A
D. VI-88A
Rationale: VI-87A is the Vehicle Inspection Operations & Training Manual—Emissions. It is one
of the principal DPS training resources for emissions inspectors.
5. A gasoline-powered vehicle is generally subject to the Texas emissions
inspection program when it is:
A. Any age, regardless of county
B. Less than one year old in every Texas county
C. More than 25 years old in an affected county
D. Two through 24 years old and registered in an affected emissions county
Rationale: Texas identifies gasoline vehicles from model-year age 2 through 24 as subject to
annual emissions inspections in designated emissions counties, beginning with the vehicle's
second anniversary.
6. Which vehicle is generally excluded from the Texas emissions inspection
requirement?
A. A gasoline passenger vehicle in an affected county
B. An electric vehicle
C. A gasoline light-duty truck in an affected county
D. A gasoline vehicle within the applicable model-year range
Rationale: TCEQ identifies electric vehicles, diesel vehicles, motorcycles, and mopeds as
vehicles not required to receive the Texas emissions inspection.
7. In Texas, the emissions inspection program applies only to vehicles registered in:
A. Every county in the state
B. Counties with commercial inspection stations
C. Designated emissions counties
D. Counties containing a DPS headquarters
Rationale: The Texas emissions I/M program applies to designated counties within the state's
affected program areas rather than uniformly to every Texas county.
8. Which of the following is an emissions-related inspection item specifically
identified by Texas DPS?
, A. Trailer coupling device
B. Suspension height
C. Backup lamp
D. Gas cap
Rationale: The Texas DPS emissions inspection criteria specifically include the gas cap along
with emissions-control and related vehicle systems.
9. For a qualifying gasoline vehicle equipped with OBD II, the emissions inspection
primarily evaluates information from the vehicle's:
A. On-board diagnostic system
B. Antilock braking system
C. Airbag control module
D. Transmission control display
Rationale: Texas emissions inspections use OBD testing for applicable vehicles, allowing the
inspector to evaluate diagnostic information generated by the vehicle's emissions-related
monitoring system.
10. Which model-year group is specifically identified for OBD inspections in Texas?
A. 1981 and newer
B. 1988 and newer
C. 1996 and newer
D. 2005 and newer
Rationale: Texas program materials identify model-year 1996 and newer vehicles as subject to
OBD inspections in the applicable emissions program areas.
11. What is the primary purpose of an OBD emissions inspection?
A. Measure tire pressure electronically
B. Determine whether monitored emissions-related systems have detected qualifying faults
C. Verify the vehicle's insurance premium
D. Measure brake-pedal travel
Rationale: OBD testing uses the vehicle's diagnostic information to identify emissions-related
faults and monitor the status of applicable systems. It is not a substitute for unrelated safety
inspections.
12. Which emissions-control system recirculates a portion of exhaust gas back into
the combustion process?
A. PCV system
B. Evaporative emissions system
LICENSE EXAM – EXAM QUESTIONS AND
CORRECT ANSWERS (VERIFIED ANSWERS)
PLUS RATIONALE | 2027 Q&A | INSTANT
DOWNLOAD PDF
1. A Texas vehicle inspector applying for inspector certification must meet which
minimum age requirement?
A. 16 years old
B. 18 years old
C. 19 years old
D. 21 years old
Rationale: The Texas Department of Public Safety requires an applicant for vehicle inspector
certification to be at least 18 years old. Other requirements include the application process,
background review, and successful completion of the required examination.
2. Which agency is responsible for administering the Texas vehicle inspection
program and certifying vehicle inspectors?
A. Texas Commission on Environmental Quality
B. Texas Department of Motor Vehicles
C. Environmental Protection Agency
D. Texas Department of Public Safety
Rationale: The Texas Department of Public Safety administers the vehicle inspection program
and provides inspector certification, training materials, and inspection-station oversight. TCEQ
has an important role in the emissions component of the state's I/M program.
3. Which resource is specifically identified by Texas DPS as study material for
emissions inspections?
A. VI-81
B. VI-82
C. VI-88A
D. VI-100
Rationale: VI-81 is the Texas DPS study material specifically identified as “VI Emissions
Inspections Study Material” and focuses on On-Board Diagnostics testing.
, 4. The Texas DPS Vehicle Inspection Operations & Training Manual specifically
dedicated to emissions is identified as:
A. VI-81
B. VI-82
C. VI-87A
D. VI-88A
Rationale: VI-87A is the Vehicle Inspection Operations & Training Manual—Emissions. It is one
of the principal DPS training resources for emissions inspectors.
5. A gasoline-powered vehicle is generally subject to the Texas emissions
inspection program when it is:
A. Any age, regardless of county
B. Less than one year old in every Texas county
C. More than 25 years old in an affected county
D. Two through 24 years old and registered in an affected emissions county
Rationale: Texas identifies gasoline vehicles from model-year age 2 through 24 as subject to
annual emissions inspections in designated emissions counties, beginning with the vehicle's
second anniversary.
6. Which vehicle is generally excluded from the Texas emissions inspection
requirement?
A. A gasoline passenger vehicle in an affected county
B. An electric vehicle
C. A gasoline light-duty truck in an affected county
D. A gasoline vehicle within the applicable model-year range
Rationale: TCEQ identifies electric vehicles, diesel vehicles, motorcycles, and mopeds as
vehicles not required to receive the Texas emissions inspection.
7. In Texas, the emissions inspection program applies only to vehicles registered in:
A. Every county in the state
B. Counties with commercial inspection stations
C. Designated emissions counties
D. Counties containing a DPS headquarters
Rationale: The Texas emissions I/M program applies to designated counties within the state's
affected program areas rather than uniformly to every Texas county.
8. Which of the following is an emissions-related inspection item specifically
identified by Texas DPS?
, A. Trailer coupling device
B. Suspension height
C. Backup lamp
D. Gas cap
Rationale: The Texas DPS emissions inspection criteria specifically include the gas cap along
with emissions-control and related vehicle systems.
9. For a qualifying gasoline vehicle equipped with OBD II, the emissions inspection
primarily evaluates information from the vehicle's:
A. On-board diagnostic system
B. Antilock braking system
C. Airbag control module
D. Transmission control display
Rationale: Texas emissions inspections use OBD testing for applicable vehicles, allowing the
inspector to evaluate diagnostic information generated by the vehicle's emissions-related
monitoring system.
10. Which model-year group is specifically identified for OBD inspections in Texas?
A. 1981 and newer
B. 1988 and newer
C. 1996 and newer
D. 2005 and newer
Rationale: Texas program materials identify model-year 1996 and newer vehicles as subject to
OBD inspections in the applicable emissions program areas.
11. What is the primary purpose of an OBD emissions inspection?
A. Measure tire pressure electronically
B. Determine whether monitored emissions-related systems have detected qualifying faults
C. Verify the vehicle's insurance premium
D. Measure brake-pedal travel
Rationale: OBD testing uses the vehicle's diagnostic information to identify emissions-related
faults and monitor the status of applicable systems. It is not a substitute for unrelated safety
inspections.
12. Which emissions-control system recirculates a portion of exhaust gas back into
the combustion process?
A. PCV system
B. Evaporative emissions system
