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Smog Check Inspector Exam CA Newest 2026/2027 Complete
All 150 Questions And Correct Answers (Verified Answers)
|Already Graded A+||Just Out!!!
The smog check sign shall be how many inches wide and how
many inches tall? (Measurements for the sign) - ANSWER-24
wide x 30 height
If a vehicle is registered in the enhanced area but it garaged in s
basic area it must undergo ..? - ANSWER-An enhanced area
inspection
If a vehicle has tampered emission control equipment then
what cannot be issued to them ? They don't qualify for a ..? -
ANSWER-Repair cost waiver
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
Pass fail determination - bar snap test?? - ANSWER-Pass the
vehicle if the vehicle does not emit smoke during the idle test,
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crankcase test and both of the final two bar snap tests. Fail if
smoke does come out on either of the final two bar snap tests
Diesel- a visible smoke plume observed 5 to 15 feet from the
tailpipes that lingers for more than 3 seconds on either of the
final 2 bar snap tests. Pass or fail - ANSWER-Fail
Pass or fail? Any visible smoke observed during the idle test ? -
ANSWER-Fail
What is the crankcase PCV test? - ANSWER-Continue to leave
the engine running, go to vehicles engine compartment open
the good and determine whether any smoke is coming from the
crankcase pcv system (observe for 10 seconds)
What is the EVAP test ? - ANSWER-Detects any leaks for vehicles
95' and older
What is the Bar snap test? - ANSWER-It's part of the bar 97
tests older vehicles 99 and older. Ensure that the RPM falls in
between 2000 and 3000observe the tailpipe exhaust plume for
10 seconds (3 times)
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When calibrating the bar 97 which gases does it have ? -
ANSWER-Zero, high, and low
When calibrating the EVAP machine what do you need to do ? -
ANSWER-Attach the red hose to the machine need ti open up
the compressed nitrogen
What is the PCV system ? Reduces which two gases - ANSWER-
Contains the flow of crankcase fumes (blow by gases) into the
intake manifold to reduce hydrocarbons (HC) and Carbon
Monoxide (CO)
TAC (thermostatic air cleaner) need to make sure everything is
present and installed properly. Make sure that the air filter
element is..? - ANSWER-Not oversized and that there are no
additional holes in the air cleaner housing
When was OBD II required to be on vehicles less than 14000 lbs
GVWR? - ANSWER-1996
Why was OBD originally introduced on vehicles ? - ANSWER-To
lower emissions and help with vehicle repair
Smog Check Inspector Exam CA Newest 2026/2027 Complete
All 150 Questions And Correct Answers (Verified Answers)
|Already Graded A+||Just Out!!!
The smog check sign shall be how many inches wide and how
many inches tall? (Measurements for the sign) - ANSWER-24
wide x 30 height
If a vehicle is registered in the enhanced area but it garaged in s
basic area it must undergo ..? - ANSWER-An enhanced area
inspection
If a vehicle has tampered emission control equipment then
what cannot be issued to them ? They don't qualify for a ..? -
ANSWER-Repair cost waiver
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
Pass fail determination - bar snap test?? - ANSWER-Pass the
vehicle if the vehicle does not emit smoke during the idle test,
,2|Page
crankcase test and both of the final two bar snap tests. Fail if
smoke does come out on either of the final two bar snap tests
Diesel- a visible smoke plume observed 5 to 15 feet from the
tailpipes that lingers for more than 3 seconds on either of the
final 2 bar snap tests. Pass or fail - ANSWER-Fail
Pass or fail? Any visible smoke observed during the idle test ? -
ANSWER-Fail
What is the crankcase PCV test? - ANSWER-Continue to leave
the engine running, go to vehicles engine compartment open
the good and determine whether any smoke is coming from the
crankcase pcv system (observe for 10 seconds)
What is the EVAP test ? - ANSWER-Detects any leaks for vehicles
95' and older
What is the Bar snap test? - ANSWER-It's part of the bar 97
tests older vehicles 99 and older. Ensure that the RPM falls in
between 2000 and 3000observe the tailpipe exhaust plume for
10 seconds (3 times)
, 3|Page
When calibrating the bar 97 which gases does it have ? -
ANSWER-Zero, high, and low
When calibrating the EVAP machine what do you need to do ? -
ANSWER-Attach the red hose to the machine need ti open up
the compressed nitrogen
What is the PCV system ? Reduces which two gases - ANSWER-
Contains the flow of crankcase fumes (blow by gases) into the
intake manifold to reduce hydrocarbons (HC) and Carbon
Monoxide (CO)
TAC (thermostatic air cleaner) need to make sure everything is
present and installed properly. Make sure that the air filter
element is..? - ANSWER-Not oversized and that there are no
additional holes in the air cleaner housing
When was OBD II required to be on vehicles less than 14000 lbs
GVWR? - ANSWER-1996
Why was OBD originally introduced on vehicles ? - ANSWER-To
lower emissions and help with vehicle repair
