SMOG CHECK INSPECTOR
CERTIFICATION TEST 2026 FULL
QUESTIONS AND ANSWERS GRADED
A+
◉ What model year Diesel vehicles are subject to Californias smog
check program. 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. Answer: Neither technician A or B
◉ The Bureau of Automotive Repairs snap throttle visible smoke test
is performed on. Answer: all vehicles 1976 and newer
◉ What emissions does the PCV system reduce?. Answer: H/C
◉ What emissions does the Oxidation Catalyst (OC) reduce. 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. 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. Answer:
PZEV
◉ What emissions does an AIR system (pump or pulse) reduce.
Answer: CO and H/C
◉ All 2000 and newer hybrid vehicles are tested on the EIS machine,
true or false. 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?. Answer: Neither technician A or B
◉ How often should a gas calibration be performed on the EIS
Machine. 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
CERTIFICATION TEST 2026 FULL
QUESTIONS AND ANSWERS GRADED
A+
◉ What model year Diesel vehicles are subject to Californias smog
check program. 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. Answer: Neither technician A or B
◉ The Bureau of Automotive Repairs snap throttle visible smoke test
is performed on. Answer: all vehicles 1976 and newer
◉ What emissions does the PCV system reduce?. Answer: H/C
◉ What emissions does the Oxidation Catalyst (OC) reduce. 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. 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. Answer:
PZEV
◉ What emissions does an AIR system (pump or pulse) reduce.
Answer: CO and H/C
◉ All 2000 and newer hybrid vehicles are tested on the EIS machine,
true or false. 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?. Answer: Neither technician A or B
◉ How often should a gas calibration be performed on the EIS
Machine. 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