SMOG CHECK INSPECTOR LEVEL 1 EXAM 2025 /
2026 QUESTIONS AND CORRECT ANSWERS
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
, 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?
a. CO & CO2
b. H/C & CO
c. Hydrogen
2026 QUESTIONS AND CORRECT ANSWERS
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
, 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?
a. CO & CO2
b. H/C & CO
c. Hydrogen
