Smog Level 1 Study Guide | Questions and
Correct Answers Graded A+ | 2026\2027 Latest
Version
During an inspection, you notice that the air pump has been removed. How should this
be entered into the BAR 97 EIS under visual inspection?
-Correct Answer-missing
An add-on part which has not been approved by the ARB or is an OEM replacement
part has been installed. How should this be entered into the BAR 97 EIS under visual
inspection?
-Correct Answer-modified
An OEM emission control device has been physically altered to a non-factory
configuration, but all devices and hoses are connected. How should this be entered into
the BAR 97 EIS under visual inspection?
-Correct Answer-modified
A vacuum hose has been re-routed bypassing a TVS (thermal vacuum switch) valve,
and is connected directly to the intake manifold vacuum. How should this be entered
into the BAR 97 EIS under visual inspection?
-Correct Answer-modified
An air injection system is present but the belt is missing and there are no signs of
tampering. How should this be entered into the BAR 97 EIS under visual inspection?
-Correct Answer-defective
A vacuum hose to the EGR valve is attached correctly but is split in the middle due to
age. How should this be entered into the BAR 97 EIS under visual inspection.
-Correct Answer-defective
Are all required emission control systems identified on the underhood label?
-Correct Answer-no, pcv and evap wont be listed``
When performing an inspection, what on the vehicle's registration needs to be matched
with the vehicle?
-Correct Answer-vin number and license plate
, During a smog inspection, inspectors must verify that all entries are complete and
accurate. If an error is found after changes can no longer be made, what procedure
should the inspector follow?
-Correct Answer-abort the test
By which means can the inspector verify that the vehicle has warmed up to operating
temperature?
-Correct Answer-gauge on dash, hear fans cycle, upper and lower radiator hoses are
hot
What action should be taken during an ignition functional timing test if the vehicle has a
coil on plug (non-adjustable) ignition system?
-Correct Answer-n/a, not adjustable
During a functional test of the OBD II system, what does the analyzer assess when it
interrogates the system?
-Correct Answer-monitor status, trouble codes, VIN, and software
What entry should be made during the functional gas cap test in the BAR 97 EIS if no
adapter is available from the manufacturer?
-Correct Answer-n/a
Is it a failed functional timing test if the manufacturers timing specifications is 8 degrees
BTDC at 750 rpm, and the actual timing is 4 degrees BTDC at 750 rpm?
-Correct Answer-yes the timing test is failed
Is it a failed functional timing test if the manufacturer timing specifications is 4-8 degrees
BTDC at 750 rpm, and the actual timing is 11 degrees BTDC at 750 rpm?
-Correct Answer-yes because timing is not within specifications window
What action shall be taken if the vehicle cannot have the timing checked because of a
defective condition (e.g slipped balancer)?
-Correct Answer-fails test
What are the names of the three main inspection program areas in California?
-Correct Answer-enhanced, basic and change of ownership
How many smog technician(s) are required to perform testing/repair at a licensed smog
check station during the hours the station is open?
-Correct Answer-any amount who represents both license all hours of operation
Correct Answers Graded A+ | 2026\2027 Latest
Version
During an inspection, you notice that the air pump has been removed. How should this
be entered into the BAR 97 EIS under visual inspection?
-Correct Answer-missing
An add-on part which has not been approved by the ARB or is an OEM replacement
part has been installed. How should this be entered into the BAR 97 EIS under visual
inspection?
-Correct Answer-modified
An OEM emission control device has been physically altered to a non-factory
configuration, but all devices and hoses are connected. How should this be entered into
the BAR 97 EIS under visual inspection?
-Correct Answer-modified
A vacuum hose has been re-routed bypassing a TVS (thermal vacuum switch) valve,
and is connected directly to the intake manifold vacuum. How should this be entered
into the BAR 97 EIS under visual inspection?
-Correct Answer-modified
An air injection system is present but the belt is missing and there are no signs of
tampering. How should this be entered into the BAR 97 EIS under visual inspection?
-Correct Answer-defective
A vacuum hose to the EGR valve is attached correctly but is split in the middle due to
age. How should this be entered into the BAR 97 EIS under visual inspection.
-Correct Answer-defective
Are all required emission control systems identified on the underhood label?
-Correct Answer-no, pcv and evap wont be listed``
When performing an inspection, what on the vehicle's registration needs to be matched
with the vehicle?
-Correct Answer-vin number and license plate
, During a smog inspection, inspectors must verify that all entries are complete and
accurate. If an error is found after changes can no longer be made, what procedure
should the inspector follow?
-Correct Answer-abort the test
By which means can the inspector verify that the vehicle has warmed up to operating
temperature?
-Correct Answer-gauge on dash, hear fans cycle, upper and lower radiator hoses are
hot
What action should be taken during an ignition functional timing test if the vehicle has a
coil on plug (non-adjustable) ignition system?
-Correct Answer-n/a, not adjustable
During a functional test of the OBD II system, what does the analyzer assess when it
interrogates the system?
-Correct Answer-monitor status, trouble codes, VIN, and software
What entry should be made during the functional gas cap test in the BAR 97 EIS if no
adapter is available from the manufacturer?
-Correct Answer-n/a
Is it a failed functional timing test if the manufacturers timing specifications is 8 degrees
BTDC at 750 rpm, and the actual timing is 4 degrees BTDC at 750 rpm?
-Correct Answer-yes the timing test is failed
Is it a failed functional timing test if the manufacturer timing specifications is 4-8 degrees
BTDC at 750 rpm, and the actual timing is 11 degrees BTDC at 750 rpm?
-Correct Answer-yes because timing is not within specifications window
What action shall be taken if the vehicle cannot have the timing checked because of a
defective condition (e.g slipped balancer)?
-Correct Answer-fails test
What are the names of the three main inspection program areas in California?
-Correct Answer-enhanced, basic and change of ownership
How many smog technician(s) are required to perform testing/repair at a licensed smog
check station during the hours the station is open?
-Correct Answer-any amount who represents both license all hours of operation
