EMISSIONS EXAM QUESTIONS AND ANSWERS
Purpose of Positive Crankcase Ventilation (PCV) System? - Answers -Regulate the flow
of blow by gas to the crankcase
Where is the PCV located? - Answers -Atop the engine
Subject Vehicles - Answers -Gasoline powered vehicles 1975 or newer model year with
a GVWR of 9,000 or less that are required to be registered in an I/M area
What should be used to determine the GVWR? - Answers -The GVWR sticker or plate
located on the vehicle
T or F Buses with 15 or less seats and less than 9000 pounds are required to undergo
emissions testing - Answers -True
What types of vehicles are exempt from emission inspection? - Answers --New or
current model year vehicles
-Vehicles driven less than 5,000 miles in the previous 12 months which have been
owned by the same person for at least 1 year
T or F? Proof of insurance is not required for an emissions test. - Answers -True
T or F? And odometer NEEDS to work for emissions - Answers -False. It doesn't need
to work
The vehicle owner is permitted a retest at the same inspection station within how many
days? - Answers -30
You should never exceed how many months when installing a new sticker? - Answers -
15
For a 2 Speed Idle Test, what gear must the car be in? - Answers -Park/Neutral
For a 2 Speed Idle Test, how far into the exhaust pipes do you need to insert the
sample probe? - Answers -At least 10inches
For a 2 Speed Idle Test, vehicles that have multiple functioning exhaust pipes, which
pipe do you insert the probe? - Answers -Both/all pipes simultaneously
For a 2 Speed Idle Test, what is the second RPM range that you must hold? - Answers -
2250-2750RPM
What is the purpose of the fan? - Answers -To keep the engine cool
Purpose of Positive Crankcase Ventilation (PCV) System? - Answers -Regulate the flow
of blow by gas to the crankcase
Where is the PCV located? - Answers -Atop the engine
Subject Vehicles - Answers -Gasoline powered vehicles 1975 or newer model year with
a GVWR of 9,000 or less that are required to be registered in an I/M area
What should be used to determine the GVWR? - Answers -The GVWR sticker or plate
located on the vehicle
T or F Buses with 15 or less seats and less than 9000 pounds are required to undergo
emissions testing - Answers -True
What types of vehicles are exempt from emission inspection? - Answers --New or
current model year vehicles
-Vehicles driven less than 5,000 miles in the previous 12 months which have been
owned by the same person for at least 1 year
T or F? Proof of insurance is not required for an emissions test. - Answers -True
T or F? And odometer NEEDS to work for emissions - Answers -False. It doesn't need
to work
The vehicle owner is permitted a retest at the same inspection station within how many
days? - Answers -30
You should never exceed how many months when installing a new sticker? - Answers -
15
For a 2 Speed Idle Test, what gear must the car be in? - Answers -Park/Neutral
For a 2 Speed Idle Test, how far into the exhaust pipes do you need to insert the
sample probe? - Answers -At least 10inches
For a 2 Speed Idle Test, vehicles that have multiple functioning exhaust pipes, which
pipe do you insert the probe? - Answers -Both/all pipes simultaneously
For a 2 Speed Idle Test, what is the second RPM range that you must hold? - Answers -
2250-2750RPM
What is the purpose of the fan? - Answers -To keep the engine cool
