TEXAS EMISSIONS INSPECTIONS STUDY GUIDE 2026
EXAM QUESTIONS AND SOLUTIONS SCORED A+
✔✔How many times of a minimum try to communicate and attempt to test a vehicle
before I can give them a no communication error? - ✔✔3
✔✔Is the fuel pump a monitored circuit? - ✔✔No
✔✔Who is responsible for figuring out what original Emission components are on a car?
- ✔✔Emissions inspector
✔✔How long is your license legible for? - ✔✔2 years
✔✔What is the cost of a referee? - ✔✔Free
✔✔In order to conduct an emissions inspection what must you have in your
possession? - ✔✔Emissions inspection certification and drivers license.
✔✔What is the main resource for inspectors to stay up-to-date on changes in the
missions program? - ✔✔Drive Clean
✔✔What should you do if you presented in testing a vehicle that is likely to fail? -
✔✔Still do the test
✔✔The universal diagnostic trouble code format consist of alpha numeric code of how
many characters? - ✔✔5
✔✔Who is responsible for ensuring all the data and the emission monitor is correct? -
✔✔Emissions inspector
✔✔What part of documentation do I have to keep that is provided by the customer when
I issue a waiver? - ✔✔Repair Data Form, receipts VIRs from both failed tests
✔✔Where does the vehicle have to be when I put the sticker on? - ✔✔On the premises
of the shop
✔✔How many counties in the Commonwealth of Pennsylvania doing emissions? -
✔✔25
✔✔How many counties in Pennsylvania do not do emissions? - ✔✔42
✔✔How many counties total? - ✔✔67
, ✔✔What should the inspector do if a customer refuses any emissions test? - ✔✔Dont
do it and refuse the safety
✔✔What do you do if your equipment is malfunctioning? - ✔✔Dont do any inspections,
fix it.
✔✔When you have high amounts of carbon monoxide will you have a good miles per
gallon? - ✔✔No
✔✔How often should I do my leak check and gas calibration? - ✔✔72 hours
✔✔Do I have to road test the vehicle? - ✔✔No
✔✔What are the three continuous system monitors? - ✔✔Fuel Systems performance ,
Misfire, and comprehensive component.
✔✔What is the purpose of a gas cap test inspection? - ✔✔Not leaking
✔✔Do I have to provide proof that you own the vehicle for more than a year? - ✔✔No
proof
✔✔When do I have to make sure when I look at the registration? - ✔✔Vin number and
make sure it's valid
✔✔What are the three certifications? - ✔✔
✔✔When did Pennsylvania implement the enhanced emissions program? - ✔✔1997
✔✔How far do you put the probe in the tail pipe? - ✔✔10 inches
✔✔What is the single piece of data that is captured every time we have a bag
diagnostic trouble codes set? - ✔✔Preserving Valve???
✔✔Who is responsible for determining the original maintenance on the car? -
✔✔Certified Emissions inspector
✔✔Where is electric device that communicates with the onboard computer called? -
✔✔Scanner
✔✔How many none IM counties? - ✔✔9
✔✔What are the two tests that are required in the northern region? - ✔✔Gas cap and
visual
EXAM QUESTIONS AND SOLUTIONS SCORED A+
✔✔How many times of a minimum try to communicate and attempt to test a vehicle
before I can give them a no communication error? - ✔✔3
✔✔Is the fuel pump a monitored circuit? - ✔✔No
✔✔Who is responsible for figuring out what original Emission components are on a car?
- ✔✔Emissions inspector
✔✔How long is your license legible for? - ✔✔2 years
✔✔What is the cost of a referee? - ✔✔Free
✔✔In order to conduct an emissions inspection what must you have in your
possession? - ✔✔Emissions inspection certification and drivers license.
✔✔What is the main resource for inspectors to stay up-to-date on changes in the
missions program? - ✔✔Drive Clean
✔✔What should you do if you presented in testing a vehicle that is likely to fail? -
✔✔Still do the test
✔✔The universal diagnostic trouble code format consist of alpha numeric code of how
many characters? - ✔✔5
✔✔Who is responsible for ensuring all the data and the emission monitor is correct? -
✔✔Emissions inspector
✔✔What part of documentation do I have to keep that is provided by the customer when
I issue a waiver? - ✔✔Repair Data Form, receipts VIRs from both failed tests
✔✔Where does the vehicle have to be when I put the sticker on? - ✔✔On the premises
of the shop
✔✔How many counties in the Commonwealth of Pennsylvania doing emissions? -
✔✔25
✔✔How many counties in Pennsylvania do not do emissions? - ✔✔42
✔✔How many counties total? - ✔✔67
, ✔✔What should the inspector do if a customer refuses any emissions test? - ✔✔Dont
do it and refuse the safety
✔✔What do you do if your equipment is malfunctioning? - ✔✔Dont do any inspections,
fix it.
✔✔When you have high amounts of carbon monoxide will you have a good miles per
gallon? - ✔✔No
✔✔How often should I do my leak check and gas calibration? - ✔✔72 hours
✔✔Do I have to road test the vehicle? - ✔✔No
✔✔What are the three continuous system monitors? - ✔✔Fuel Systems performance ,
Misfire, and comprehensive component.
✔✔What is the purpose of a gas cap test inspection? - ✔✔Not leaking
✔✔Do I have to provide proof that you own the vehicle for more than a year? - ✔✔No
proof
✔✔When do I have to make sure when I look at the registration? - ✔✔Vin number and
make sure it's valid
✔✔What are the three certifications? - ✔✔
✔✔When did Pennsylvania implement the enhanced emissions program? - ✔✔1997
✔✔How far do you put the probe in the tail pipe? - ✔✔10 inches
✔✔What is the single piece of data that is captured every time we have a bag
diagnostic trouble codes set? - ✔✔Preserving Valve???
✔✔Who is responsible for determining the original maintenance on the car? -
✔✔Certified Emissions inspector
✔✔Where is electric device that communicates with the onboard computer called? -
✔✔Scanner
✔✔How many none IM counties? - ✔✔9
✔✔What are the two tests that are required in the northern region? - ✔✔Gas cap and
visual
