2025 Latest Smog Check Inspector Exam CA Practice Test
with 140 Recently Tested Questions and Correct Answers/
Smog Check Inspector CA Practice Exam 2025-2026
If a vehicle fails smog, and get the needed repairs done, which station should they
refer back to ? - ANSWER-Any STAR certified station
Directed vehicles can only receive a smog check certification from which stations
?? - ANSWER-Star test only and star test repair
A certificate of compliance is required whenever a vehicle changes ownership
except when the vehicle is being transferred between ? - ANSWER-Family
(parent,child,spouse,) companies, lessor and lessee
What are three main reasons to reject a vehicle from performing an initial initial
inspection ? - ANSWER-Excessive fluid leaks, engine overheating, unsafe drive
axle tire or wheel (dyno test only)
While performing a visual inspection an inspector observes there is no EGR
amplifier even though one is shown on the under hood emission label. The EGR
valve is connected to the ported vacuum. What EIS analyzer entry should be
made? - ANSWER-Missing
Which of the following actions should be taken if a vehicles timing reads 5 degrees
BTDC and the specification of the vehicle is 8 degrees ? - ANSWER-Enter
"PASS" into the analyzer for ignition timing and 5 degrees BTDC for the timing
reading
Which of the following is a primary purpose of the smog check referee ? -
ANSWER-Perform inspection dispute resolutions
pg. 1
,What action should be taken when a 23 month old car with 22,000 miles on its
odometer fails an emissions inspection because of a failed emission component? -
ANSWER-Refer the customer to go to a dealer for the repair
What is the difference between a three wire oxygen sensor and a single wire
oxygen sensor ? - ANSWER-A three wire allows earlier closed loop operation
are smog check inspections and or repairs allowed to be sublet - ANSWER-No but
there are a few exceptions
Is sales tax included on the estimate? - ANSWER-No only on the invoice
Functional tests are procedures that consist of - ANSWER-EGR systems, ignition
timing, MIL, OBD, LPFET, fuel cap (following manufacturer procedures, smog
check manual and as prompted by the inspection system
Under functional which two tests does gasoline powered vehicles from 96 to 99
require? - ANSWER-OBD AND MIL
What are the two required tests do gasoline powered vehicles from 75 to 95
require? - ANSWER-Tailpipe and Visual and everything comes with it
On government vehicles if the odometer is missing or illegible enter ___? -
ANSWER-None; N/A
Inspect a dual/ bi-fuel vehicle using the - ANSWER-Fuel in which the vehicle
was operating on when it arrived to the station
pg. 2
, The ASM emission inspection includes two loaded mode sequences known as
___/___ and ___/____? - ANSWER-50/15 and 25/25
If the BAR referee label is missing what should the technician inform the customer
?? - ANSWER-To contact the bar referee for inspection information
An SPCN, grey market or vehicle with an engine change without a bar referee
label it must be first inspected where ? - ANSWER-Referee
If no liquid leak is found what should you input into the EIS OR OIS? -
ANSWER-Pass
If a liquid fuel leak is detected what should you input into the EIS OR OIS? -
ANSWER-"F" for fail , defective
If a vehicle is equipped with parts that modify the original emission control
configuration, inspectors must verify if those parts are exempted or ? - ANSWER-
Carb approved
If any required emission control system are found to be tampered or defective then
the vehicle shall ..? - ANSWER-Fail the inspection
The fan must be used when ambient temperature reaches how many degrees ? -
ANSWER-72 degrees and above
Do not inspect kit cars unless they are equipped with ? - ANSWER-Bar referee
label
pg. 3
with 140 Recently Tested Questions and Correct Answers/
Smog Check Inspector CA Practice Exam 2025-2026
If a vehicle fails smog, and get the needed repairs done, which station should they
refer back to ? - ANSWER-Any STAR certified station
Directed vehicles can only receive a smog check certification from which stations
?? - ANSWER-Star test only and star test repair
A certificate of compliance is required whenever a vehicle changes ownership
except when the vehicle is being transferred between ? - ANSWER-Family
(parent,child,spouse,) companies, lessor and lessee
What are three main reasons to reject a vehicle from performing an initial initial
inspection ? - ANSWER-Excessive fluid leaks, engine overheating, unsafe drive
axle tire or wheel (dyno test only)
While performing a visual inspection an inspector observes there is no EGR
amplifier even though one is shown on the under hood emission label. The EGR
valve is connected to the ported vacuum. What EIS analyzer entry should be
made? - ANSWER-Missing
Which of the following actions should be taken if a vehicles timing reads 5 degrees
BTDC and the specification of the vehicle is 8 degrees ? - ANSWER-Enter
"PASS" into the analyzer for ignition timing and 5 degrees BTDC for the timing
reading
Which of the following is a primary purpose of the smog check referee ? -
ANSWER-Perform inspection dispute resolutions
pg. 1
,What action should be taken when a 23 month old car with 22,000 miles on its
odometer fails an emissions inspection because of a failed emission component? -
ANSWER-Refer the customer to go to a dealer for the repair
What is the difference between a three wire oxygen sensor and a single wire
oxygen sensor ? - ANSWER-A three wire allows earlier closed loop operation
are smog check inspections and or repairs allowed to be sublet - ANSWER-No but
there are a few exceptions
Is sales tax included on the estimate? - ANSWER-No only on the invoice
Functional tests are procedures that consist of - ANSWER-EGR systems, ignition
timing, MIL, OBD, LPFET, fuel cap (following manufacturer procedures, smog
check manual and as prompted by the inspection system
Under functional which two tests does gasoline powered vehicles from 96 to 99
require? - ANSWER-OBD AND MIL
What are the two required tests do gasoline powered vehicles from 75 to 95
require? - ANSWER-Tailpipe and Visual and everything comes with it
On government vehicles if the odometer is missing or illegible enter ___? -
ANSWER-None; N/A
Inspect a dual/ bi-fuel vehicle using the - ANSWER-Fuel in which the vehicle
was operating on when it arrived to the station
pg. 2
, The ASM emission inspection includes two loaded mode sequences known as
___/___ and ___/____? - ANSWER-50/15 and 25/25
If the BAR referee label is missing what should the technician inform the customer
?? - ANSWER-To contact the bar referee for inspection information
An SPCN, grey market or vehicle with an engine change without a bar referee
label it must be first inspected where ? - ANSWER-Referee
If no liquid leak is found what should you input into the EIS OR OIS? -
ANSWER-Pass
If a liquid fuel leak is detected what should you input into the EIS OR OIS? -
ANSWER-"F" for fail , defective
If a vehicle is equipped with parts that modify the original emission control
configuration, inspectors must verify if those parts are exempted or ? - ANSWER-
Carb approved
If any required emission control system are found to be tampered or defective then
the vehicle shall ..? - ANSWER-Fail the inspection
The fan must be used when ambient temperature reaches how many degrees ? -
ANSWER-72 degrees and above
Do not inspect kit cars unless they are equipped with ? - ANSWER-Bar referee
label
pg. 3
