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Texas Vehicle Emissions Inspector Exam||Verified
Questions and Correct Answers with EXPLANATIONS
LATEST THIS YEAR.pdf||NEWEST EXAM!!
Name the 17 Texas counties that participate in emissions
testing. - Answer-Brazoria, Collin, Dallas, Denton, Ellis, El
Paso, Fort Bend, Galveston, Harris, Johnson, Kaufman,
Montgomery, Parker, Rockwall, Tarrant, Travis
What is a designated vehicle and its requirements? -
Answer-Any vehicle capable of being powered by gasoline
between 2-24 years of age that is required to be registered
in and primarily operated in an affected county.
What vehicles are exempt from emissions testing in the
state of Texas? - Answer-Vehicles not capable of being
powered by gasoline, including diesel and EVs.
Vehicles not required to be registered in an affected
county or not primarily operated in an affected county.
Vehicles that qualify or whose owners qualify for certain
waivers or time extensions.
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Motorcycles.
Certain slow-moving vehicles.
Does a vehicle have to be warmed up prior to an OBD II
inspection? - Answer-No.
OBD II systems are required on all 1996 and newer model
gasoline-powered vehicles with a GVWR of (blank). -
Answer-8,500 lbs. or less
What is GVWR? - Answer-Gross Vehicle Weight Rating
With the ignition key (blank), locate the vehicle's
Diagnostic Link Connector (DLC) and plug the OBD II test
lead into the DLC. - Answer-Off.
What is a MIL? - Answer-Malfunction Indicator Light
What does it mean when a MIL is flashing? - Answer-
When a severe misfire occurs that could damage the
catalytic converter, the MIL is required to flash on and off
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once per second. Flashing is intended to discourage
vehicle operation.
What does it mean when a MIL is illuminated, but not
flashing? - Answer-Constant illumination of the MIL (i.e., it
is not flashing) indicates that a problem has been detected
and the vehicle should be serviced as soon as possible.
The Inspector is required to perform which two checks of
the MIL? - Answer-1. Key-On Engine Off (KOEO)
2. Key-On Engine Running (KOER)
Motor vehicles are the largest source of pollutants (blank)
and (blank) in Texas. - Answer-Hydrocarbons (HC),
Carbon Monoxide (CO)
Motor vehicles emit toxic air pollutants and contribute to
the formation of (blank). - Answer-Ground-level ozone
A "typical" vehicle emits how much air pollution annually? -
Answer-About a half ton
Texas Vehicle Emissions Inspector Exam||Verified
Questions and Correct Answers with EXPLANATIONS
LATEST THIS YEAR.pdf||NEWEST EXAM!!
Name the 17 Texas counties that participate in emissions
testing. - Answer-Brazoria, Collin, Dallas, Denton, Ellis, El
Paso, Fort Bend, Galveston, Harris, Johnson, Kaufman,
Montgomery, Parker, Rockwall, Tarrant, Travis
What is a designated vehicle and its requirements? -
Answer-Any vehicle capable of being powered by gasoline
between 2-24 years of age that is required to be registered
in and primarily operated in an affected county.
What vehicles are exempt from emissions testing in the
state of Texas? - Answer-Vehicles not capable of being
powered by gasoline, including diesel and EVs.
Vehicles not required to be registered in an affected
county or not primarily operated in an affected county.
Vehicles that qualify or whose owners qualify for certain
waivers or time extensions.
,2|Page
Motorcycles.
Certain slow-moving vehicles.
Does a vehicle have to be warmed up prior to an OBD II
inspection? - Answer-No.
OBD II systems are required on all 1996 and newer model
gasoline-powered vehicles with a GVWR of (blank). -
Answer-8,500 lbs. or less
What is GVWR? - Answer-Gross Vehicle Weight Rating
With the ignition key (blank), locate the vehicle's
Diagnostic Link Connector (DLC) and plug the OBD II test
lead into the DLC. - Answer-Off.
What is a MIL? - Answer-Malfunction Indicator Light
What does it mean when a MIL is flashing? - Answer-
When a severe misfire occurs that could damage the
catalytic converter, the MIL is required to flash on and off
, 3|Page
once per second. Flashing is intended to discourage
vehicle operation.
What does it mean when a MIL is illuminated, but not
flashing? - Answer-Constant illumination of the MIL (i.e., it
is not flashing) indicates that a problem has been detected
and the vehicle should be serviced as soon as possible.
The Inspector is required to perform which two checks of
the MIL? - Answer-1. Key-On Engine Off (KOEO)
2. Key-On Engine Running (KOER)
Motor vehicles are the largest source of pollutants (blank)
and (blank) in Texas. - Answer-Hydrocarbons (HC),
Carbon Monoxide (CO)
Motor vehicles emit toxic air pollutants and contribute to
the formation of (blank). - Answer-Ground-level ozone
A "typical" vehicle emits how much air pollution annually? -
Answer-About a half ton
