TEXAS EMISSIONS INSPECTIONS EXAM 2025 QUESTIONS WITH 100% SOLVED
ANSWERS!!
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
Where can you locate the diagnostic connector in most vehicles? - (answer)Beneath the instrument
panel, near the steering column
What is the name of the amber colored warning light that is illuminated by the OBD system when a
malfunction occurs? - (answer)Malfunction Indicator Light
When severe misfire occurs that could damage the catalytic converter, what does the MIL do? -
(answer)Flashes on and off once per second
ANSWERS!!
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
Where can you locate the diagnostic connector in most vehicles? - (answer)Beneath the instrument
panel, near the steering column
What is the name of the amber colored warning light that is illuminated by the OBD system when a
malfunction occurs? - (answer)Malfunction Indicator Light
When severe misfire occurs that could damage the catalytic converter, what does the MIL do? -
(answer)Flashes on and off once per second
