TEXAS EMISSIONS INSPECTIONS
EXAM WITH VERIFIED QUESTIONS
ANS ANSWERS 2026
Why are we concerned about motor vehicle pollution? - ANSWER-Motor vehicles emit toxic air
pollutants
Motor vehicles contribute to the formation of ground level ozone
A "typical" vehicle emits a half-ton of air pollution annually
A malfunctioning vehicle emits many times the amount of pollution of a "typical" vehicle
True or False: Motor vehicles are the largest source of ground-level ozone (or smog) in Texas. - ANSWER-
True
What is the primary purpose of OBDII? - ANSWER-To insure that vehicles emit the minimum amount of
pollutants through their useful life.
What does the OBD II inspection do? - ANSWER-Monitors all components that affect vehicle emissions.
Detect and record malfunctions of the components that affect vehicle emissions.
Checks the results of the self-tests that occur while the vehicle is driven prior to the time of inspection.
What model year and weight requirement are OBDII systems required in gasoline powered vehicles? -
ANSWER-1996 or newer/8,500 pounds or less
True or False: Each vehicle make requires a different Diagnostic Link Connector, and you are responsible
for ensuring your inspection station has each tool needed for all vehicle makes. - ANSWER-False
EXAM WITH VERIFIED QUESTIONS
ANS ANSWERS 2026
Why are we concerned about motor vehicle pollution? - ANSWER-Motor vehicles emit toxic air
pollutants
Motor vehicles contribute to the formation of ground level ozone
A "typical" vehicle emits a half-ton of air pollution annually
A malfunctioning vehicle emits many times the amount of pollution of a "typical" vehicle
True or False: Motor vehicles are the largest source of ground-level ozone (or smog) in Texas. - ANSWER-
True
What is the primary purpose of OBDII? - ANSWER-To insure that vehicles emit the minimum amount of
pollutants through their useful life.
What does the OBD II inspection do? - ANSWER-Monitors all components that affect vehicle emissions.
Detect and record malfunctions of the components that affect vehicle emissions.
Checks the results of the self-tests that occur while the vehicle is driven prior to the time of inspection.
What model year and weight requirement are OBDII systems required in gasoline powered vehicles? -
ANSWER-1996 or newer/8,500 pounds or less
True or False: Each vehicle make requires a different Diagnostic Link Connector, and you are responsible
for ensuring your inspection station has each tool needed for all vehicle makes. - ANSWER-False
