Smog Check Inspector Level 1 Exam 4/9/2026 Page 1
Smog Check Inspector Level 1 Exam (Latest
Update ) Questions and
Verified Answers {Grade A} 100 % Correct
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 - correct answer Tell him or
her to make an appointment with the referee
What model year "Gasoline Vehicles" are subject to California's Smog Check
Program?
a. 1975 thru current model year
b. 1776 thru current model year
c. 1976 thru current model year
d. 1976 thru 1999 model year - correct answer 1976 through current model year
What model year "Diesel Vehicles" are subject to California's Smog Check Program?
a. 2000 thru current model year
b. 1996 thru current model year
c. 1998 thru 2016 model year
d. 1998 thru current model year - correct answer 1998 through current model year
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Smog Check Inspector Level 1 Exam (Latest
Update ) Questions and
Verified Answers {Grade A} 100 % Correct
A 2005 Toyota Prius Hybrid is in for a Smog Inspection because of a Change of
Ownership, how should the Smog Inspector proceed?
a. Conduct an ASM Test
b. Tell the new owner the vehicle does require a smog inspection
c. Tell the new owner to make an appointment with the referee
d. Conduct an OIS Test - correct answer Conduct an OIS Test
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 - correct answer 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 - correct answer HC and CO
What emission(s) does an Oxidation Catalyst (OC) reduce?
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Smog Check Inspector Level 1 Exam (Latest
Update ) Questions and
Verified Answers {Grade A} 100 % Correct
a. CO & CO2
b. H/C & CO
c. Hydrogen
d. NOx - correct answer 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 - correct answer 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 - correct answer PZEV
What emission(s) does an air system (pump or pulse) reduce?
3 of 16 Smog Check Inspector Level 1 Exam.pdf Smog Check Inspector Level 1 Exam
Smog Check Inspector Level 1 Exam (Latest
Update ) Questions and
Verified Answers {Grade A} 100 % Correct
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 - correct answer Tell him or
her to make an appointment with the referee
What model year "Gasoline Vehicles" are subject to California's Smog Check
Program?
a. 1975 thru current model year
b. 1776 thru current model year
c. 1976 thru current model year
d. 1976 thru 1999 model year - correct answer 1976 through current model year
What model year "Diesel Vehicles" are subject to California's Smog Check Program?
a. 2000 thru current model year
b. 1996 thru current model year
c. 1998 thru 2016 model year
d. 1998 thru current model year - correct answer 1998 through current model year
1 of 16 Smog Check Inspector Level 1 Exam.pdf Smog Check Inspector Level 1 Exam
,Smog Check Inspector Level 1 Exam 4/9/2026 Page 2
Smog Check Inspector Level 1 Exam (Latest
Update ) Questions and
Verified Answers {Grade A} 100 % Correct
A 2005 Toyota Prius Hybrid is in for a Smog Inspection because of a Change of
Ownership, how should the Smog Inspector proceed?
a. Conduct an ASM Test
b. Tell the new owner the vehicle does require a smog inspection
c. Tell the new owner to make an appointment with the referee
d. Conduct an OIS Test - correct answer Conduct an OIS Test
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 - correct answer 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 - correct answer HC and CO
What emission(s) does an Oxidation Catalyst (OC) reduce?
2 of 16 Smog Check Inspector Level 1 Exam.pdf Smog Check Inspector Level 1 Exam
, Smog Check Inspector Level 1 Exam 4/9/2026 Page 3
Smog Check Inspector Level 1 Exam (Latest
Update ) Questions and
Verified Answers {Grade A} 100 % Correct
a. CO & CO2
b. H/C & CO
c. Hydrogen
d. NOx - correct answer 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 - correct answer 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 - correct answer PZEV
What emission(s) does an air system (pump or pulse) reduce?
3 of 16 Smog Check Inspector Level 1 Exam.pdf Smog Check Inspector Level 1 Exam
