Smog Check Inspector Exam CA 2026 | Latest Update |
Questions & Answers | Exam Prep PDF | Graded A+
1. If a 23-month-old car fails an emissions inspection and the owner has already
repaired the failed component, what should the owner do next?
Sell the car as is.
Schedule a retest for the emissions inspection.
Ignore the inspection results.
Wait for the next scheduled inspection.
2. If a vehicle fails its smog check due to high emissions, what steps can the
owner take to comply with California regulations?
The owner must immediately sell the vehicle.
The owner can seek repair assistance programs and may apply for a
waiver if eligible.
The owner can ignore the failure and continue driving.
The owner is required to replace the vehicle with a new one.
3. Which individuals or entities are not allowed to sublet smog check
inspections or repairs?
Repair shop managers
Licensed smog check inspectors
Vehicle owners
State regulators
,4. What are the two functional tests mandated for diesel vehicles manufactured
in 1998 or later?
Functional smoke test and safety inspection
On-board diagnostics test and emissions test
Visual inspection and functional smoke test
Emissions test and safety inspection
5. In 1999, the EPA (Environmental Protection Agency) requested states to
adopt OBD-II systems testing for which vehicles?
2000 and older
1996 and newer
1991 and newer
1990 and older
6. If a vehicle fails a smog check due to a dirty air filter element in the TAC, what
steps should the vehicle owner take to rectify the situation?
Ignore the issue, as it will not affect the vehicle's performance.
Only check the oil levels, as they are more critical than the air filter.
Replace or clean the air filter element to ensure proper air flow and
reduce emissions.
Increase the fuel mixture to compensate for the dirty air filter.
7. Describe the role of the smog check inspector in relation to sublet repairs
during inspections.
The California Air Resources Board manages all repair processes.
, The smog check inspector is responsible for overseeing and
ensuring that any necessary sublet repairs are completed to meet
inspection standards.
The vehicle owner is responsible for all repairs regardless of
inspection results.
The smog check inspector only performs the emissions tests and does
not handle repairs.
8. Describe the sequence of tests performed during the two speed idle
inspection and their significance.
The two speed idle inspection starts with a visual inspection, followed
by the idle test.
The two speed idle inspection does not involve any emissions testing.
The two speed idle inspection begins with the idle test, which
measures emissions at low RPMs, followed by the acceleration test
to assess emissions at higher RPMs.
The two speed idle inspection consists only of the acceleration test.
9. What are the two types of timing controls used in smog check inspections?
Sequential timing control and parallel timing control
Digital timing control and analog timing control
Fixed timing control and variable timing control
Automatic timing control and manual timing control
10. Describe the significance of biennial smog checks in California's vehicle
emissions control program.
Biennial smog checks are conducted only for commercial vehicles.
, Biennial smog checks help ensure that vehicles meet emissions
standards to reduce air pollution.
Biennial smog checks are optional for vehicle owners.
Biennial smog checks are only for new vehicles.
11. Describe the purpose of the Two Speed Idle (TSI) tests in the context of
smog check inspections.
The TSI tests are used to check the vehicle's safety features.
The TSI tests measure emissions at both idle and high RPM to assess
vehicle compliance with air quality standards.
The TSI tests evaluate the vehicle's fuel efficiency.
The TSI tests determine the vehicle's eligibility for registration.
12. Describe how a vehicle's operating temperature can influence the outcome
of a smog check inspection.
A vehicle not at normal operating temperature is exempt from
inspections.
A vehicle's operating temperature has no impact on emissions.
A vehicle at normal operating temperature will always pass the smog
check.
A vehicle not at normal operating temperature may produce
inaccurate emissions readings during a smog check.
13. Describe the importance of providing a written estimate during the smog
check process.
A written estimate is optional and can be provided at the inspector's
discretion.
Questions & Answers | Exam Prep PDF | Graded A+
1. If a 23-month-old car fails an emissions inspection and the owner has already
repaired the failed component, what should the owner do next?
Sell the car as is.
Schedule a retest for the emissions inspection.
Ignore the inspection results.
Wait for the next scheduled inspection.
2. If a vehicle fails its smog check due to high emissions, what steps can the
owner take to comply with California regulations?
The owner must immediately sell the vehicle.
The owner can seek repair assistance programs and may apply for a
waiver if eligible.
The owner can ignore the failure and continue driving.
The owner is required to replace the vehicle with a new one.
3. Which individuals or entities are not allowed to sublet smog check
inspections or repairs?
Repair shop managers
Licensed smog check inspectors
Vehicle owners
State regulators
,4. What are the two functional tests mandated for diesel vehicles manufactured
in 1998 or later?
Functional smoke test and safety inspection
On-board diagnostics test and emissions test
Visual inspection and functional smoke test
Emissions test and safety inspection
5. In 1999, the EPA (Environmental Protection Agency) requested states to
adopt OBD-II systems testing for which vehicles?
2000 and older
1996 and newer
1991 and newer
1990 and older
6. If a vehicle fails a smog check due to a dirty air filter element in the TAC, what
steps should the vehicle owner take to rectify the situation?
Ignore the issue, as it will not affect the vehicle's performance.
Only check the oil levels, as they are more critical than the air filter.
Replace or clean the air filter element to ensure proper air flow and
reduce emissions.
Increase the fuel mixture to compensate for the dirty air filter.
7. Describe the role of the smog check inspector in relation to sublet repairs
during inspections.
The California Air Resources Board manages all repair processes.
, The smog check inspector is responsible for overseeing and
ensuring that any necessary sublet repairs are completed to meet
inspection standards.
The vehicle owner is responsible for all repairs regardless of
inspection results.
The smog check inspector only performs the emissions tests and does
not handle repairs.
8. Describe the sequence of tests performed during the two speed idle
inspection and their significance.
The two speed idle inspection starts with a visual inspection, followed
by the idle test.
The two speed idle inspection does not involve any emissions testing.
The two speed idle inspection begins with the idle test, which
measures emissions at low RPMs, followed by the acceleration test
to assess emissions at higher RPMs.
The two speed idle inspection consists only of the acceleration test.
9. What are the two types of timing controls used in smog check inspections?
Sequential timing control and parallel timing control
Digital timing control and analog timing control
Fixed timing control and variable timing control
Automatic timing control and manual timing control
10. Describe the significance of biennial smog checks in California's vehicle
emissions control program.
Biennial smog checks are conducted only for commercial vehicles.
, Biennial smog checks help ensure that vehicles meet emissions
standards to reduce air pollution.
Biennial smog checks are optional for vehicle owners.
Biennial smog checks are only for new vehicles.
11. Describe the purpose of the Two Speed Idle (TSI) tests in the context of
smog check inspections.
The TSI tests are used to check the vehicle's safety features.
The TSI tests measure emissions at both idle and high RPM to assess
vehicle compliance with air quality standards.
The TSI tests evaluate the vehicle's fuel efficiency.
The TSI tests determine the vehicle's eligibility for registration.
12. Describe how a vehicle's operating temperature can influence the outcome
of a smog check inspection.
A vehicle not at normal operating temperature is exempt from
inspections.
A vehicle's operating temperature has no impact on emissions.
A vehicle at normal operating temperature will always pass the smog
check.
A vehicle not at normal operating temperature may produce
inaccurate emissions readings during a smog check.
13. Describe the importance of providing a written estimate during the smog
check process.
A written estimate is optional and can be provided at the inspector's
discretion.
