Smog Check Inspector Level 1 2026
UPDATE MOST TESTED QUESTIONS
WITH VERIFIED ANSWERS
What model year gasolines vehicles are subject to Californias Smog Check program - correct answer:
1976 thru current model year
What model year Diesel vehicles are subject to Californias smog check program - correct answer: 1998
thru current model year
During the smog check inspection on a 2005 gasoline hybrid vehicle Technician A says the visible idle
smoke checks can be performed at any time during a test. Technician B says the visible idle smoke
checks must be performed after the OBD2 portion of the test. Who is correct - correct answer: Neither
technician A or B
The Bureau of Automotive Repairs snap throttle visible smoke test is performed on - correct answer:
all vehicles 1976 and newer
What emissions does the PCV system reduce? - correct answer: H/C
What emissions does the Oxidation Catalyst (OC) reduce - correct answer: H/C and CO
A diesel vehicle is in for a smog check 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 - correct answer:
Ignore the leak and test the vehicle in accordance to OIS
What emissions class of vehicles have an extended warranty on emissions components of 15 years
and/or 150,000 miles - correct answer: PZEV
What emissions does an AIR system (pump or pulse) reduce - correct answer: CO and H/C
, All 2000 and newer hybrid vehicles are tested on the EIS machine, true or false - correct answer: false
During the crankcase visible smoke check portion of a smog check inspection smoke is seen coming
from the oil dipstick tube technician A says this is normal and the vehicle should pass. technician b
says the vehicle should fail only if the smoke is a blueish/ white color. who is correct? - correct
answer: Neither technician A or B
How often should a gas calibration be performed on the EIS Machine - correct answer: Every 72 hours
What should the technician do when a vehicle fails a smog check inspection and the vehicle owner is
convinced the technician failed his vehicle on purpose - correct answer: tell him to make and
appointment with the referee
a customer living in a basic area of the state of California brings their 1975 Ford Mustang in for a smog
check inspection. what test and what machine should be used - correct answer: no test is required
all hybrid vehicles are tested on thee is machine regardless of what area the state the vehicle is
registered in. true or false - correct answer: false
when the technician inspects a 1992 vehicle visually he finds the top of the exhaust gas recirculation
(EGR) valve has been crushed down. how should the technician enter this into the EIS machine -
correct answer: modified for EGR
the vacuum line leading to the EGR valve has been rubbing on the intake manifold. The hose has a
small leak in it as a result. how would the smog check inspector enter this into thee is machine -
correct answer: defective for EGR
during the visual inspection of a smog check inspection the smog check inspector notices the oil
dipstick isn't in the tube and looking under the hood the oil dipstick cannot be found. how should this
be entered into the EIS machine - correct answer: missing for PCV system
what is the maximum drive axle weight allowed during an ASM test - correct answer: 5000 lbs
UPDATE MOST TESTED QUESTIONS
WITH VERIFIED ANSWERS
What model year gasolines vehicles are subject to Californias Smog Check program - correct answer:
1976 thru current model year
What model year Diesel vehicles are subject to Californias smog check program - correct answer: 1998
thru current model year
During the smog check inspection on a 2005 gasoline hybrid vehicle Technician A says the visible idle
smoke checks can be performed at any time during a test. Technician B says the visible idle smoke
checks must be performed after the OBD2 portion of the test. Who is correct - correct answer: Neither
technician A or B
The Bureau of Automotive Repairs snap throttle visible smoke test is performed on - correct answer:
all vehicles 1976 and newer
What emissions does the PCV system reduce? - correct answer: H/C
What emissions does the Oxidation Catalyst (OC) reduce - correct answer: H/C and CO
A diesel vehicle is in for a smog check 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 - correct answer:
Ignore the leak and test the vehicle in accordance to OIS
What emissions class of vehicles have an extended warranty on emissions components of 15 years
and/or 150,000 miles - correct answer: PZEV
What emissions does an AIR system (pump or pulse) reduce - correct answer: CO and H/C
, All 2000 and newer hybrid vehicles are tested on the EIS machine, true or false - correct answer: false
During the crankcase visible smoke check portion of a smog check inspection smoke is seen coming
from the oil dipstick tube technician A says this is normal and the vehicle should pass. technician b
says the vehicle should fail only if the smoke is a blueish/ white color. who is correct? - correct
answer: Neither technician A or B
How often should a gas calibration be performed on the EIS Machine - correct answer: Every 72 hours
What should the technician do when a vehicle fails a smog check inspection and the vehicle owner is
convinced the technician failed his vehicle on purpose - correct answer: tell him to make and
appointment with the referee
a customer living in a basic area of the state of California brings their 1975 Ford Mustang in for a smog
check inspection. what test and what machine should be used - correct answer: no test is required
all hybrid vehicles are tested on thee is machine regardless of what area the state the vehicle is
registered in. true or false - correct answer: false
when the technician inspects a 1992 vehicle visually he finds the top of the exhaust gas recirculation
(EGR) valve has been crushed down. how should the technician enter this into the EIS machine -
correct answer: modified for EGR
the vacuum line leading to the EGR valve has been rubbing on the intake manifold. The hose has a
small leak in it as a result. how would the smog check inspector enter this into thee is machine -
correct answer: defective for EGR
during the visual inspection of a smog check inspection the smog check inspector notices the oil
dipstick isn't in the tube and looking under the hood the oil dipstick cannot be found. how should this
be entered into the EIS machine - correct answer: missing for PCV system
what is the maximum drive axle weight allowed during an ASM test - correct answer: 5000 lbs
