Smog Inspector Level 1 Exam 2024/2025
Exam Questions and Corresponding
Answers with Surety of 100% Pass Mark
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 - 🧠 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
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,d. 1998 thru current model year - 🧠 ANSWER ✔✔1998 through current
model year
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 - 🧠 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 - 🧠 ANSWER
✔✔Follow the manufacturer's testing procedure's
What emission(s) does the PCV system reduce?
a. H/C & CO2
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, b. H/C & CO
c. H/C & NOx
d. CO2 & CO - 🧠 ANSWER ✔✔HC and CO
What emission(s) does an Oxidation Catalyst (OC) reduce?
a. CO & CO2
b. H/C & CO
c. Hydrogen
d. NOx - 🧠 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 - 🧠
ANSWER ✔✔Ignore the leak and test the vehicle in accordance with OIS
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
Exam Questions and Corresponding
Answers with Surety of 100% Pass Mark
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 - 🧠 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
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
,d. 1998 thru current model year - 🧠 ANSWER ✔✔1998 through current
model year
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 - 🧠 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 - 🧠 ANSWER
✔✔Follow the manufacturer's testing procedure's
What emission(s) does the PCV system reduce?
a. H/C & CO2
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
, b. H/C & CO
c. H/C & NOx
d. CO2 & CO - 🧠 ANSWER ✔✔HC and CO
What emission(s) does an Oxidation Catalyst (OC) reduce?
a. CO & CO2
b. H/C & CO
c. Hydrogen
d. NOx - 🧠 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 - 🧠
ANSWER ✔✔Ignore the leak and test the vehicle in accordance with OIS
COPYRIGHT©NINJANERD 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
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STATEMENT. ALL RIGHTS RESERVED
