TEXAS EMISSIONS INSPECTIONS 2026 QUESTIONS AND
SOLUTIONS SCORED A+
✔✔A tailpipe test using a dynamometer may also be referred to as an acceleration
simulation mode (ASM) test. - ✔✔
✔✔If the ambient temperature exceeds 72 degreed F, place a large fan in front of the
vehicle to simulate normal road air flow. - ✔✔
✔✔I/M Check; GVWR of 8,500 pounds or less perform the I/M check. 2001 + older -
Older 2 monitors not set, 2002 and newer one monitor not set. - ✔✔
✔✔In the 1960's the car manufactures introduced the first device aimed at reducing the
pollution of the vehicles they produced. - ✔✔
✔✔In 1990, the US Congress signed into law the FEDERAL CLEAN AIR ACT
AMENDMENTS, which required auto manufactures to standardize the OBD systems
and to provide all pertinent info needed for the proper maintenance of vehicle emissions
performance to all automotive service providers. - ✔✔
✔✔Catalytic Converters ; All gasses with a 2 go on the right side of chart. - ✔✔
✔✔The universal DTC format consists of a five-character alphanumeric code. - ✔✔
✔✔Freeze Frame; when an emissions-related malfunction occurs, the vehicle's OBD
will store the code in the DTC. - ✔✔
✔✔When sever misfires occur that could damage the catalytic convertor, the MIL is
required to flash on and off once per second. - ✔✔
✔✔Not fuel pump or fuel pressure. - ✔✔
✔✔Fuel pressure is not monitored. - ✔✔
✔✔PennDot requires that a leak check test and gas calibration be performed every 72
hours. - ✔✔
✔✔Do not use pass cap on vehicles. - ✔✔
✔✔Always follow the periodic maintenance schedules and procedures recommended
by the equipment manufacture. - ✔✔
, ✔✔If any damage makes the vehicle unsafe to perform on the dyno, repairs must be
made and perform the necessary calibration procedures before beginning the emissions
test. - ✔✔
✔✔Calibration must be done by a certified emissions inspector. - ✔✔
✔✔Single point of date- VIN - ✔✔
✔✔The VIN is uniquely important in that it is used to create a single reference point that
will always be updated with information for that specific vehicle. - ✔✔
✔✔Eliminating Human Error. - ✔✔
✔✔ Inspectors are required to keep all information up to date on the emissions training
portal. - ✔✔
✔✔Written exam made up of 50 questions. A grade of 80% or higher is required to
pass. - ✔✔
✔✔Take a 1-hour final exam. - ✔✔
✔✔To enroll you must be at least 18 years of age and have a valid drivers license. - ✔✔
✔✔EIC expires every 2 years. It is the emission inspectors' responsibility to visit the
training portal. - ✔✔
✔✔HCs are the unburned fuel of any class of organic compound composed of carbon
and hydrogen. - ✔✔
✔✔NOx are formed in vehicle engines during the combustion of fuel at high
temperatures. When NOx is combined with HC and exposed to SUNLIGHT, smog is
created. - ✔✔
✔✔Ozone (O3) is not emitted directly into the air, but rather is created at ground level
by a chemical reaction between NOx and HC in the presence of SUNLIGHT. - ✔✔
✔✔You need a lean indicator to determine the mixture accurately and to make a
diagnosis, with or without a converter. O2 is our best lean indicator, because the levels
change during lean mixtures. - ✔✔
✔✔CO2 is a desirable component of exhaust. A higher CO2 percentage indicates
combustion efficiency. The more efficient the burn is, the more efficient the vehicle is
running. - ✔✔
SOLUTIONS SCORED A+
✔✔A tailpipe test using a dynamometer may also be referred to as an acceleration
simulation mode (ASM) test. - ✔✔
✔✔If the ambient temperature exceeds 72 degreed F, place a large fan in front of the
vehicle to simulate normal road air flow. - ✔✔
✔✔I/M Check; GVWR of 8,500 pounds or less perform the I/M check. 2001 + older -
Older 2 monitors not set, 2002 and newer one monitor not set. - ✔✔
✔✔In the 1960's the car manufactures introduced the first device aimed at reducing the
pollution of the vehicles they produced. - ✔✔
✔✔In 1990, the US Congress signed into law the FEDERAL CLEAN AIR ACT
AMENDMENTS, which required auto manufactures to standardize the OBD systems
and to provide all pertinent info needed for the proper maintenance of vehicle emissions
performance to all automotive service providers. - ✔✔
✔✔Catalytic Converters ; All gasses with a 2 go on the right side of chart. - ✔✔
✔✔The universal DTC format consists of a five-character alphanumeric code. - ✔✔
✔✔Freeze Frame; when an emissions-related malfunction occurs, the vehicle's OBD
will store the code in the DTC. - ✔✔
✔✔When sever misfires occur that could damage the catalytic convertor, the MIL is
required to flash on and off once per second. - ✔✔
✔✔Not fuel pump or fuel pressure. - ✔✔
✔✔Fuel pressure is not monitored. - ✔✔
✔✔PennDot requires that a leak check test and gas calibration be performed every 72
hours. - ✔✔
✔✔Do not use pass cap on vehicles. - ✔✔
✔✔Always follow the periodic maintenance schedules and procedures recommended
by the equipment manufacture. - ✔✔
, ✔✔If any damage makes the vehicle unsafe to perform on the dyno, repairs must be
made and perform the necessary calibration procedures before beginning the emissions
test. - ✔✔
✔✔Calibration must be done by a certified emissions inspector. - ✔✔
✔✔Single point of date- VIN - ✔✔
✔✔The VIN is uniquely important in that it is used to create a single reference point that
will always be updated with information for that specific vehicle. - ✔✔
✔✔Eliminating Human Error. - ✔✔
✔✔ Inspectors are required to keep all information up to date on the emissions training
portal. - ✔✔
✔✔Written exam made up of 50 questions. A grade of 80% or higher is required to
pass. - ✔✔
✔✔Take a 1-hour final exam. - ✔✔
✔✔To enroll you must be at least 18 years of age and have a valid drivers license. - ✔✔
✔✔EIC expires every 2 years. It is the emission inspectors' responsibility to visit the
training portal. - ✔✔
✔✔HCs are the unburned fuel of any class of organic compound composed of carbon
and hydrogen. - ✔✔
✔✔NOx are formed in vehicle engines during the combustion of fuel at high
temperatures. When NOx is combined with HC and exposed to SUNLIGHT, smog is
created. - ✔✔
✔✔Ozone (O3) is not emitted directly into the air, but rather is created at ground level
by a chemical reaction between NOx and HC in the presence of SUNLIGHT. - ✔✔
✔✔You need a lean indicator to determine the mixture accurately and to make a
diagnosis, with or without a converter. O2 is our best lean indicator, because the levels
change during lean mixtures. - ✔✔
✔✔CO2 is a desirable component of exhaust. A higher CO2 percentage indicates
combustion efficiency. The more efficient the burn is, the more efficient the vehicle is
running. - ✔✔
