SMOG CHECK INSPECTOR CA
EXAM 2025-2026 ACTUAL
QUESTIONS AND VERIFIED
ANSWERS
Instructions
All answers are underlined.
Questions
2000 and newer are tested on which machine?
<answer>OIS
98 and newer diesel vehicles are tested on which
machine? <answer>OIS
,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
A certification of compliance is not required for which type
of vehicles? <answer>Government fleet vehicles
A malfunction indicator light is designed to let the owner
know when? <answer>A vehicle has an emissions system
concern
A smog checks on 1996-1999 gasoline vehicles with OBD
II and California emissions certification consists of?
<answer>Visual, Functional, OBD II system test, and a
Tailpipe test
A SPCNS vehicle may be built from? (3 things)
<answer>Kit cars, new or used parts, dismantled vehicles
that are reconstructed but do not resemble the original
make
, All 95 and older equipped with EGR and are subject to a
two-speed idle test must undergo the EGR functional test
<answer>If the MIL does not illuminate at all in the KOEO
position or if it continuously flashes with the engine
running then this indicates that
An aftermarket intake replacement manifold may be made
of different material than the origin such as?
<answer>Aluminum instead of cast iron
An SPCN, grey market or vehicle with an engine change
without a bar referee label it must be first inspected
where? <answer>Referee
are smog check inspections and or repairs allowed to be
sublet <answer>No but there are a few exceptions
At what engine idle speed should the engine timing test be
performed? <answer>Engine idle must be within plus or
minus 100 rpm of the manufacturer’s specifications
EXAM 2025-2026 ACTUAL
QUESTIONS AND VERIFIED
ANSWERS
Instructions
All answers are underlined.
Questions
2000 and newer are tested on which machine?
<answer>OIS
98 and newer diesel vehicles are tested on which
machine? <answer>OIS
,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
A certification of compliance is not required for which type
of vehicles? <answer>Government fleet vehicles
A malfunction indicator light is designed to let the owner
know when? <answer>A vehicle has an emissions system
concern
A smog checks on 1996-1999 gasoline vehicles with OBD
II and California emissions certification consists of?
<answer>Visual, Functional, OBD II system test, and a
Tailpipe test
A SPCNS vehicle may be built from? (3 things)
<answer>Kit cars, new or used parts, dismantled vehicles
that are reconstructed but do not resemble the original
make
, All 95 and older equipped with EGR and are subject to a
two-speed idle test must undergo the EGR functional test
<answer>If the MIL does not illuminate at all in the KOEO
position or if it continuously flashes with the engine
running then this indicates that
An aftermarket intake replacement manifold may be made
of different material than the origin such as?
<answer>Aluminum instead of cast iron
An SPCN, grey market or vehicle with an engine change
without a bar referee label it must be first inspected
where? <answer>Referee
are smog check inspections and or repairs allowed to be
sublet <answer>No but there are a few exceptions
At what engine idle speed should the engine timing test be
performed? <answer>Engine idle must be within plus or
minus 100 rpm of the manufacturer’s specifications
