SMOG CHECK INSPECTOR CA EXAM
2025/2026 WITH 500 QUESTIONS
ACCURATE ACTUAL EXAM WITH
FREQUENTLY TESTED QUESTIONS
AND STUDY GUIDE / EXPERTLY
VERIFIED FOR GUARANTEED
PASS/ALREADY GRADED A+
Which of the following is the main purpose of the Fuel
Evaporative system?
a. provide an expansion space for CO emissions on a hot
day
b. improve fuel economy and gas mileage by reburning
NOx vapors
c. prevent H/C vapors from entering the atmosphere
d. prevent CO2 vapors from entering the atmosphere -
....ANSWER...prevent hydrocarbon (H/C) vapors from
entering the atmosphere
What must the customer receive upon the completion of a
1
,smog inspection?
a. a final invoice
b. a copy of the vehicle inspection report
c. their keys
d. all of the above - ....ANSWER...all of the above
What are two types of TSI (Two speed idle tests?) -
....ANSWER...2500 rpm and Idle
What are the two types of Acceleration Simulation mode
tests? - ....ANSWER...50/15 and 25/25 test
What does DAD stand for ? - ....ANSWER...Data
acquisition device
Smog check program divides the state into 3 areas
determined by the air quality.. what are they ? -
....ANSWER...Enhanced, Basic, and Change of
Ownership
Biennial smog checks are required in which program area?
- ....ANSWER...Enhanced areas ( these areas do not
2
,meet federal or state air quality standards for ozone
and carbon monoxide)
If the VIN on the vehicle doesn't match the registration
documents what should the inspector do? -
....ANSWER...Use the VIN on the vehicle to inform the
customer that it doesn't match the registration
document. DMV will not accept the test results
A vehicle has no under hood label, after looking up the
vehicle in the ECS guide it is determined that both Federal
and California vehicles have the same emissions
equipment, how should the smog check inspector proceed?
a. enter the vehicle as a Federal vehicle
b. look for a BAR referee label
c. enter the vehicle as a California vehicle
d. fail the vehicle under the Other Emissions Category -
....ANSWER...enter the vehicle as a California vehicle
3
, When a gas cap is not present on a vehicle that is supposed
to have one, how would the smog inspector enter this into
the EIS machine?
a. fail for EVAP
b. missing for EVAP
c. Pass for EVAP
d. Modified for EVAP - ....ANSWER...missing for evap
During a smog inspection an aftermarket catalytic
converter is found installed 8 inches behind the original
catalytic converter heat shield. Technician A says if the
catalytic converter is the right one for the vehicle it should
pass. Technician B says if the correct number of catalytic
converters are installed for the vehicle it should pass.
a. technician A only
b. technician B only
c. both technicians A & B
d. neither technician A nor B - ....ANSWER...neither
Technician A or B
To properly perform a TSI smog inspection, which of the
following must be done before the test can begin?
4
2025/2026 WITH 500 QUESTIONS
ACCURATE ACTUAL EXAM WITH
FREQUENTLY TESTED QUESTIONS
AND STUDY GUIDE / EXPERTLY
VERIFIED FOR GUARANTEED
PASS/ALREADY GRADED A+
Which of the following is the main purpose of the Fuel
Evaporative system?
a. provide an expansion space for CO emissions on a hot
day
b. improve fuel economy and gas mileage by reburning
NOx vapors
c. prevent H/C vapors from entering the atmosphere
d. prevent CO2 vapors from entering the atmosphere -
....ANSWER...prevent hydrocarbon (H/C) vapors from
entering the atmosphere
What must the customer receive upon the completion of a
1
,smog inspection?
a. a final invoice
b. a copy of the vehicle inspection report
c. their keys
d. all of the above - ....ANSWER...all of the above
What are two types of TSI (Two speed idle tests?) -
....ANSWER...2500 rpm and Idle
What are the two types of Acceleration Simulation mode
tests? - ....ANSWER...50/15 and 25/25 test
What does DAD stand for ? - ....ANSWER...Data
acquisition device
Smog check program divides the state into 3 areas
determined by the air quality.. what are they ? -
....ANSWER...Enhanced, Basic, and Change of
Ownership
Biennial smog checks are required in which program area?
- ....ANSWER...Enhanced areas ( these areas do not
2
,meet federal or state air quality standards for ozone
and carbon monoxide)
If the VIN on the vehicle doesn't match the registration
documents what should the inspector do? -
....ANSWER...Use the VIN on the vehicle to inform the
customer that it doesn't match the registration
document. DMV will not accept the test results
A vehicle has no under hood label, after looking up the
vehicle in the ECS guide it is determined that both Federal
and California vehicles have the same emissions
equipment, how should the smog check inspector proceed?
a. enter the vehicle as a Federal vehicle
b. look for a BAR referee label
c. enter the vehicle as a California vehicle
d. fail the vehicle under the Other Emissions Category -
....ANSWER...enter the vehicle as a California vehicle
3
, When a gas cap is not present on a vehicle that is supposed
to have one, how would the smog inspector enter this into
the EIS machine?
a. fail for EVAP
b. missing for EVAP
c. Pass for EVAP
d. Modified for EVAP - ....ANSWER...missing for evap
During a smog inspection an aftermarket catalytic
converter is found installed 8 inches behind the original
catalytic converter heat shield. Technician A says if the
catalytic converter is the right one for the vehicle it should
pass. Technician B says if the correct number of catalytic
converters are installed for the vehicle it should pass.
a. technician A only
b. technician B only
c. both technicians A & B
d. neither technician A nor B - ....ANSWER...neither
Technician A or B
To properly perform a TSI smog inspection, which of the
following must be done before the test can begin?
4
