Page 1 of 24
Pennsylvania Emissions Inspector Certification – Exam
Questions and Correct Answers (2025) | Practice Test
Prep Material
What decade do we start doing emission devices on cars?
......ANSWER........1960
When removing a gas cap with safety equipment do we use?
......ANSWER........Safety goggles
What is the best lean indicator to determine air fuel ratio?
......ANSWER........Oxygen
Where is the best location to find a gross vehicle weight?
......ANSWER........Sticker on door.
What is the reason for the emissions program in Pennsylvania?
......ANSWER........For clean air
What is the range of normal Knox (N0x) production?
......ANSWER........1700-2500 per million parts
What is the maximum fee a station can charge for a safety
sticker of replacement? ......ANSWER........$2 labor plus sticker
charge
Can I drive a car too far in one year? ......ANSWER........No
What certified individual can deliver a waiver?
......ANSWER........Certified repair technician CRT
,Page 2 of 24
How many days does a new resident have to register their
vehicle? ......ANSWER........20 days
From the time you register how many days do you have to take
a test? ......ANSWER........10 days
How old do you have to be to get any emissions license?
......ANSWER........18
What speeds are the vehicle tested for the two speed idol test?
......ANSWER........2500 and idle
What is the single piece of information about a vehicle that is
unique and important and used to create a single data reference
point? ......ANSWER........VIN number
Most 1996 new gasoline powered vehicles for vans and trucks at
work gross weight vehicle weight rating Pennsylvania OBDIM
check? ......ANSWER........8500 and less
What test does the 8501 pound test get? ......ANSWER........2
speed idle test
Do I have to test antique vehicles? ......ANSWER........No
What are the three certifications that you can earn as a
technician in this program? ......ANSWER........Certified repair tech,
Emmisions inspector, northern region Emmisions inspector
Customer may challenge the result of an emissions test how many
days do they have to challenge the results and have a referee
come out and check it? ......ANSWER........10 days
, Page 3 of 24
If you guys have a new car and you look at the owners manual
for a maintenance schedule who creates the meeting schedule?
......ANSWER........The manufacturer
Is it a good idea to upsale a customer on Unneeded repair?
......ANSWER........No
The safety sticker is issue before the mission sticker
......ANSWER........False
What law that Congress passed a standardized the ODB
system? ......ANSWER........Clean Air act of 1990
Vehicle maintenance schedule. Can I find it on the PA training
portal? ......ANSWER........No
What accounts for most of the worlds air pollution?
......ANSWER........Humans
How many times of a minimum try to communicate and attempt to
test a vehicle before I can give them a no communication error?
......ANSWER........3
Is the fuel pump a monitored circuit? ......ANSWER........No
Who is responsible for figuring out what original Emission
components are on a car? ......ANSWER........Emissions inspector
How long is your license legible for? ......ANSWER........2 years
What is the cost of a referee? ......ANSWER........Free
Pennsylvania Emissions Inspector Certification – Exam
Questions and Correct Answers (2025) | Practice Test
Prep Material
What decade do we start doing emission devices on cars?
......ANSWER........1960
When removing a gas cap with safety equipment do we use?
......ANSWER........Safety goggles
What is the best lean indicator to determine air fuel ratio?
......ANSWER........Oxygen
Where is the best location to find a gross vehicle weight?
......ANSWER........Sticker on door.
What is the reason for the emissions program in Pennsylvania?
......ANSWER........For clean air
What is the range of normal Knox (N0x) production?
......ANSWER........1700-2500 per million parts
What is the maximum fee a station can charge for a safety
sticker of replacement? ......ANSWER........$2 labor plus sticker
charge
Can I drive a car too far in one year? ......ANSWER........No
What certified individual can deliver a waiver?
......ANSWER........Certified repair technician CRT
,Page 2 of 24
How many days does a new resident have to register their
vehicle? ......ANSWER........20 days
From the time you register how many days do you have to take
a test? ......ANSWER........10 days
How old do you have to be to get any emissions license?
......ANSWER........18
What speeds are the vehicle tested for the two speed idol test?
......ANSWER........2500 and idle
What is the single piece of information about a vehicle that is
unique and important and used to create a single data reference
point? ......ANSWER........VIN number
Most 1996 new gasoline powered vehicles for vans and trucks at
work gross weight vehicle weight rating Pennsylvania OBDIM
check? ......ANSWER........8500 and less
What test does the 8501 pound test get? ......ANSWER........2
speed idle test
Do I have to test antique vehicles? ......ANSWER........No
What are the three certifications that you can earn as a
technician in this program? ......ANSWER........Certified repair tech,
Emmisions inspector, northern region Emmisions inspector
Customer may challenge the result of an emissions test how many
days do they have to challenge the results and have a referee
come out and check it? ......ANSWER........10 days
, Page 3 of 24
If you guys have a new car and you look at the owners manual
for a maintenance schedule who creates the meeting schedule?
......ANSWER........The manufacturer
Is it a good idea to upsale a customer on Unneeded repair?
......ANSWER........No
The safety sticker is issue before the mission sticker
......ANSWER........False
What law that Congress passed a standardized the ODB
system? ......ANSWER........Clean Air act of 1990
Vehicle maintenance schedule. Can I find it on the PA training
portal? ......ANSWER........No
What accounts for most of the worlds air pollution?
......ANSWER........Humans
How many times of a minimum try to communicate and attempt to
test a vehicle before I can give them a no communication error?
......ANSWER........3
Is the fuel pump a monitored circuit? ......ANSWER........No
Who is responsible for figuring out what original Emission
components are on a car? ......ANSWER........Emissions inspector
How long is your license legible for? ......ANSWER........2 years
What is the cost of a referee? ......ANSWER........Free
