SMOG INSPECTOR CALIFORNIA EXAM — ALL LEVELS 2024 |
Complete Test Bank + Practice Exams + Study Guide | Real questions &
Verified Answers | Graded A | Guaranteed Pass
What’s included:
Full real exam questions from past and current California BAR exams
Practice test bank with 200+ questions across all topics
Verified correct answers with detailed explanations
Full Study Guide covering emissions theory, OBD systems, inspection procedures,
hybrids, and more
Based on 2024 exam updates and regulatory changes
PDF format – instant download, printable, mobile-friendly
🎯 Why this resource?
Graded A by top scorers
Compiled by certified technicians & trainers
Focuses on actual exam content, not fluff
Includes tips, tricks & test-day strategies
Covers BAR regulations, OBD-II readiness, and real inspection scenarios
When conducting a Two Speed Idle Test on a 1989 Ford Mustang, how should the Smog
Inspector Functionally test the EGR System?
A. Manually lift the EGR Pintle and listen for an RPM drop
b. Apply vacuum to the EGR and listen for an RPM drop
c. Follow the manufacturers testing procedures
d. Use a Bi-directional scan tool and listen for an RPM drop
Follow the manufacturer's testing procedure's
What emission(s) does the PCV system reduce? A.
H/C & CO2
b. H/C & CO
c. H/C & nox
d. CO2 & CO HC and CO What emission(s) does an Oxidation Catalyst (OC) reduce? A. CO &
CO2
b. H/C & CO
c. Hydrogen
d. Nox
,HC and CO
A Diesel Vehicle is in for a smog inspection, but fuel is seen leaking onto the ground. If the
smog check inspector feels the vehicle is safe for testing, how should he or she proceed? A.
Test the vehicle and Fail the Vehicle for the Liquid Fuel Leak
b. Test the vehicle and Pass the Vehicle regardless of the leak
c. Ignore the leak and Test the Vehicle in accordance with OIS
d. Ignore the leak and Test the Vehicle in accordance with EIS
Ignore the leak and test the vehicle in accordance with OIS
What emissions class of vehicles have an extended warranty on emissions components of 15
years and/or 150,000 miles? A. PKEV
b. PLEV
c. PSEV
d. PZEV
PZEV
What emission(s) does an air system (pump or pulse) reduce? A.
CO2 & H/C
b. CO & H/C
c. H/C & nox
d. CO2 & nox
CO and HC
2000 and newer hybrid vehicles are tested on the EIS machine, true or false?
False, they are tested on the OIS machine; 2000 and newer
Hydrocarbon emissions are measured as a percentage of the exhaust and displayed as HC, true or
false?
False
What is the maximum drive axle weight allowed during an ASM test? A.
5,000 lbs
b. 2,500 lbs
c. 3,000 lbs
d. 8,500 lbs
5,000 lbs
How often should a gasoline calibration be performed on the EIS machine?
A. Every 72 days
b. Every 72 hours
c. Every 72 test
d. Every 72 minutes
,Every 72 hours
What should the technician do when a vehicle fails a smog check inspection and the vehicles
owner is convinced the technician failed his/her vehicle on purpose? A. Tell him or her to
take the vehicle to another smog shop
b. Tell him or her you don't care and have them leave
c. Tell him or her to make an appointment with the referee
d. Tell him or her for 50.00 you can test the vehicle again
Tell him or her to make an appointment with the referee
A customer living in a basic area of the State of California brings their 1975 Ford Mustang in a
for a smog inspection. What test and what machine should be used?
A. EIS & TSI
b. EIS & ASM
c. OIS
d. No test required
No test required
Diesel vehicles are tested on the EIS machine regardless of what area of the State the vehicle is
registered in, true or false?
False, they are tested on the OIS machine; 1998 and newer
Carbon monoxide emissions are measured as a percentage of the exhaust and displayed as CO,
true or false?
True
When a smog inspector inspects a 1992 vehicle visually, he or she finds the top of the exhaust
gas recirculation (EGR) valve has been crushed down. How should the technician enter this into
the EIS machine?
A. Defective for EGR
b. Modified for ECS
c. Modified for EGR
d. Tampered for ECS Modified for EGR The vacuum line leading to the exhaust gas
recirculation (EGR) valve has been rubbing on the intake manifold. The hose has a small leak
in it as a result. How would the smog inspector enter this into the EIS machine? A. Defective
for EGR
b. Modified for EGR
c. Disconnected for EGR
d. Fail for EGR
Defective for EGR
, During a smog inspection an aftermarket catalytic converter is found installed 8 inches behind
the original catalytic converter heat shield. Technician A says if the catalytic converter is the
right one for the vehicle it should pass. Technician B says if the correct number of catalytic
converters are installed for the vehicle it should pass. A. Technician A only
b. Technician B only
c. Both technicians A & B
d. Neither technician A nor B
Neither Technician A or B
To properly perform a TSI smog inspection, which of the following must be done before the test
can begin?
A. All accessories must be off
b. The vehicle must idle for 3 minutes before testing
c. The transmission must be in park or neutral
d. All of the above
All of the above
Ground level ozone is caused by combining? A.
CO, nox & sunlight
b. H/C. CO & sunlight
c. H/C, nox & sunlight
d. CO2, nox & sunlight
HC, nox and sunlight
During a smog check inspection on a diesel powered vehicle the smog check inspector finds an
aftermarket EGR cooler. How should he or she proceed?
A. Pass the vehicle, as EGR coolers are not required on Diesel engines
b. Fail the vehicle, as EGR coolers are required on Diesel engines
c. Verify if the replacement EGR cooler is an approved part first
d. Refer the vehicle to the referee because you don't know
Verify if the replacement EGR cooler is an approved part first
What are the rules of the Diesel BAR snap visible smoke test?
A. If any smoke is seen during the 2nd or 3rd BAR snap enter "Fail"
b. If smoke lingers for 3 seconds on any of the 3 BAR snaps enter "Fail"
c. If smoke is seen after 3 seconds on the 3rd BAR snap enter "Fail"
d. If smoke is seen after 3 seconds on only the 1st BAR snap enter "Fail"
If smoke is seen after 3 seconds on the 3rd BAR snap enter "fail"
A smog check inspector license expires on the last day of your birth month every other year, true
or false?
True
Complete Test Bank + Practice Exams + Study Guide | Real questions &
Verified Answers | Graded A | Guaranteed Pass
What’s included:
Full real exam questions from past and current California BAR exams
Practice test bank with 200+ questions across all topics
Verified correct answers with detailed explanations
Full Study Guide covering emissions theory, OBD systems, inspection procedures,
hybrids, and more
Based on 2024 exam updates and regulatory changes
PDF format – instant download, printable, mobile-friendly
🎯 Why this resource?
Graded A by top scorers
Compiled by certified technicians & trainers
Focuses on actual exam content, not fluff
Includes tips, tricks & test-day strategies
Covers BAR regulations, OBD-II readiness, and real inspection scenarios
When conducting a Two Speed Idle Test on a 1989 Ford Mustang, how should the Smog
Inspector Functionally test the EGR System?
A. Manually lift the EGR Pintle and listen for an RPM drop
b. Apply vacuum to the EGR and listen for an RPM drop
c. Follow the manufacturers testing procedures
d. Use a Bi-directional scan tool and listen for an RPM drop
Follow the manufacturer's testing procedure's
What emission(s) does the PCV system reduce? A.
H/C & CO2
b. H/C & CO
c. H/C & nox
d. CO2 & CO HC and CO What emission(s) does an Oxidation Catalyst (OC) reduce? A. CO &
CO2
b. H/C & CO
c. Hydrogen
d. Nox
,HC and CO
A Diesel Vehicle is in for a smog inspection, but fuel is seen leaking onto the ground. If the
smog check inspector feels the vehicle is safe for testing, how should he or she proceed? A.
Test the vehicle and Fail the Vehicle for the Liquid Fuel Leak
b. Test the vehicle and Pass the Vehicle regardless of the leak
c. Ignore the leak and Test the Vehicle in accordance with OIS
d. Ignore the leak and Test the Vehicle in accordance with EIS
Ignore the leak and test the vehicle in accordance with OIS
What emissions class of vehicles have an extended warranty on emissions components of 15
years and/or 150,000 miles? A. PKEV
b. PLEV
c. PSEV
d. PZEV
PZEV
What emission(s) does an air system (pump or pulse) reduce? A.
CO2 & H/C
b. CO & H/C
c. H/C & nox
d. CO2 & nox
CO and HC
2000 and newer hybrid vehicles are tested on the EIS machine, true or false?
False, they are tested on the OIS machine; 2000 and newer
Hydrocarbon emissions are measured as a percentage of the exhaust and displayed as HC, true or
false?
False
What is the maximum drive axle weight allowed during an ASM test? A.
5,000 lbs
b. 2,500 lbs
c. 3,000 lbs
d. 8,500 lbs
5,000 lbs
How often should a gasoline calibration be performed on the EIS machine?
A. Every 72 days
b. Every 72 hours
c. Every 72 test
d. Every 72 minutes
,Every 72 hours
What should the technician do when a vehicle fails a smog check inspection and the vehicles
owner is convinced the technician failed his/her vehicle on purpose? A. Tell him or her to
take the vehicle to another smog shop
b. Tell him or her you don't care and have them leave
c. Tell him or her to make an appointment with the referee
d. Tell him or her for 50.00 you can test the vehicle again
Tell him or her to make an appointment with the referee
A customer living in a basic area of the State of California brings their 1975 Ford Mustang in a
for a smog inspection. What test and what machine should be used?
A. EIS & TSI
b. EIS & ASM
c. OIS
d. No test required
No test required
Diesel vehicles are tested on the EIS machine regardless of what area of the State the vehicle is
registered in, true or false?
False, they are tested on the OIS machine; 1998 and newer
Carbon monoxide emissions are measured as a percentage of the exhaust and displayed as CO,
true or false?
True
When a smog inspector inspects a 1992 vehicle visually, he or she finds the top of the exhaust
gas recirculation (EGR) valve has been crushed down. How should the technician enter this into
the EIS machine?
A. Defective for EGR
b. Modified for ECS
c. Modified for EGR
d. Tampered for ECS Modified for EGR The vacuum line leading to the exhaust gas
recirculation (EGR) valve has been rubbing on the intake manifold. The hose has a small leak
in it as a result. How would the smog inspector enter this into the EIS machine? A. Defective
for EGR
b. Modified for EGR
c. Disconnected for EGR
d. Fail for EGR
Defective for EGR
, During a smog inspection an aftermarket catalytic converter is found installed 8 inches behind
the original catalytic converter heat shield. Technician A says if the catalytic converter is the
right one for the vehicle it should pass. Technician B says if the correct number of catalytic
converters are installed for the vehicle it should pass. A. Technician A only
b. Technician B only
c. Both technicians A & B
d. Neither technician A nor B
Neither Technician A or B
To properly perform a TSI smog inspection, which of the following must be done before the test
can begin?
A. All accessories must be off
b. The vehicle must idle for 3 minutes before testing
c. The transmission must be in park or neutral
d. All of the above
All of the above
Ground level ozone is caused by combining? A.
CO, nox & sunlight
b. H/C. CO & sunlight
c. H/C, nox & sunlight
d. CO2, nox & sunlight
HC, nox and sunlight
During a smog check inspection on a diesel powered vehicle the smog check inspector finds an
aftermarket EGR cooler. How should he or she proceed?
A. Pass the vehicle, as EGR coolers are not required on Diesel engines
b. Fail the vehicle, as EGR coolers are required on Diesel engines
c. Verify if the replacement EGR cooler is an approved part first
d. Refer the vehicle to the referee because you don't know
Verify if the replacement EGR cooler is an approved part first
What are the rules of the Diesel BAR snap visible smoke test?
A. If any smoke is seen during the 2nd or 3rd BAR snap enter "Fail"
b. If smoke lingers for 3 seconds on any of the 3 BAR snaps enter "Fail"
c. If smoke is seen after 3 seconds on the 3rd BAR snap enter "Fail"
d. If smoke is seen after 3 seconds on only the 1st BAR snap enter "Fail"
If smoke is seen after 3 seconds on the 3rd BAR snap enter "fail"
A smog check inspector license expires on the last day of your birth month every other year, true
or false?
True
