SMOG CHECK INSPECTOR 2025/2026 EXAM
CALIFORNIA WITH ALL COMPLETE QUESTIONS
AND DETAILED CORRECT ANSWERS (VERIFIED)
FOR GUARANTEED PASS TOP-RATED A+.
SMOG
Ace all your Smog Check Inspector Exams CA using this complete
comprehensive resource. It includes updated exam questions,
diagnostic procedures, and emissions regulations aligning with BAR
and state testing standards. Ideal for individuals seeking California
Smog Check Inspector certification.
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, 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
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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)
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)
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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
MIL will typically display :? ...... ANSWER .......
Service engine soon and check engine
A smog check 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
What is a readiness motor ? ...... ANSWER ....... A
monitor that evaluates emissions components and systems
to make sure they have been tested
A malfunction indicator light is designed to let the owner
know when ? ...... ANSWER ....... A vehicle has an
emissions system concern
DLC locations can be found where ? ...... ANSWER .......
In an ECS application guide