SMOG CHECK INSPECTOR TRAINING LEVEL FINAL
EXAM 150+ QUESTIONS & CORRECT ANSWERS
LATEST 2025
LPFET - ANSWER-Low Pressure Fuel Evaporative Test
Smog Inspection Timing Test - ANSWER-Conducted at + or - 75 RPM from
manufacturers idle specifications if no Timing RPM specification is available.
Referee Eligibility - ANSWER-A vehicle is eligible to be sent to the referee if it has
a replaced engine, the cost of repair exceeded the repair cost minimum, is a Gray
Market Vehicle with a BAR Label, or has Oversize Tires.
Smog Type for 1998 Mercedes Benz C280 - ANSWER-OIS, TSI, ASM, or unable to
test if the vehicle requires a Four-Wheel Drive Dynamometer.
Two-Speed Idle Test Requirement - ANSWER-A vehicle with AIR needs a two-
speed idle test and gets a Sample Air Dilution Notice Warning on the EIS.
EIS Calibration - ANSWER-Calibration is performed every 72 hours, and LPFET
must be connected to the EIS with a Data Purge performed after an LPFET
Calibration.
Diesel Vehicle Smog Inspection - ANSWER-Diesel Vehicles require a change of
ownership smog inspection anytime they are sold after the initial purchase.
,GVWR for 1985 Ford Truck - ANSWER-A customer requests an inspection of a
1985 Ford Truck with a Utility Body and a GVWR of 8800lbs, loaded with
equipment appearing to have more than 5000lbs.
Catalytic Converter Inspection - ANSWER-Upon inspection of a 1998 Chrysler Full
Size Van, verify the installation date and proceed accordingly.
ASM Test - ANSWER-A test performed on vehicles to measure emissions under
simulated driving conditions.
TSI Test - ANSWER-A test performed on vehicles to measure emissions at idle and
under load.
EIS - ANSWER-Emission Inspection System used for recording and processing
smog inspection data.
Exhaust Leak Check - ANSWER-Check for leak in the Exhaust System and insert
probe in hole after the Muffler or before the Catalytic Converter.
High and Low Calibration Gas - ANSWER-Manually inputted into the EIS if unable
to scan the labels.
Modified Vehicle Failure - ANSWER-Fail vehicle for Modified if the Catalytic
Converter is not CARB approved.
, Sample Air Dilution Notice Warning - ANSWER-Indicates a potential issue with the
exhaust system during a two-speed idle test.
Change of Ownership Smog Inspection - ANSWER-Required for Diesel Vehicles
anytime they are sold after the initial purchase.
Repair Cost Minimum - ANSWER-The threshold cost that determines if a vehicle
can be sent to the referee.
Gray Market Vehicle - ANSWER-A vehicle that was not originally sold in the U.S.
market but has been modified to meet U.S. regulations.
Oversize Tires - ANSWER-Tires that exceed the standard size for a vehicle,
potentially affecting smog inspection eligibility.
Four-Wheel Drive Dynamometer - ANSWER-Equipment required for testing
certain vehicles that cannot be tested on a standard dynamometer.
Exhaust System Leak - ANSWER-A condition that may require checking before
proceeding with emissions testing.
Diesel Vehicles ownership inspection - ANSWER-Require a change of ownership
smog inspection anytime they are sold after the initial purchase.
Diesel Vehicles smog check timing - ANSWER-Require a smog check inspection
beginning two years after the initial purchase.
EXAM 150+ QUESTIONS & CORRECT ANSWERS
LATEST 2025
LPFET - ANSWER-Low Pressure Fuel Evaporative Test
Smog Inspection Timing Test - ANSWER-Conducted at + or - 75 RPM from
manufacturers idle specifications if no Timing RPM specification is available.
Referee Eligibility - ANSWER-A vehicle is eligible to be sent to the referee if it has
a replaced engine, the cost of repair exceeded the repair cost minimum, is a Gray
Market Vehicle with a BAR Label, or has Oversize Tires.
Smog Type for 1998 Mercedes Benz C280 - ANSWER-OIS, TSI, ASM, or unable to
test if the vehicle requires a Four-Wheel Drive Dynamometer.
Two-Speed Idle Test Requirement - ANSWER-A vehicle with AIR needs a two-
speed idle test and gets a Sample Air Dilution Notice Warning on the EIS.
EIS Calibration - ANSWER-Calibration is performed every 72 hours, and LPFET
must be connected to the EIS with a Data Purge performed after an LPFET
Calibration.
Diesel Vehicle Smog Inspection - ANSWER-Diesel Vehicles require a change of
ownership smog inspection anytime they are sold after the initial purchase.
,GVWR for 1985 Ford Truck - ANSWER-A customer requests an inspection of a
1985 Ford Truck with a Utility Body and a GVWR of 8800lbs, loaded with
equipment appearing to have more than 5000lbs.
Catalytic Converter Inspection - ANSWER-Upon inspection of a 1998 Chrysler Full
Size Van, verify the installation date and proceed accordingly.
ASM Test - ANSWER-A test performed on vehicles to measure emissions under
simulated driving conditions.
TSI Test - ANSWER-A test performed on vehicles to measure emissions at idle and
under load.
EIS - ANSWER-Emission Inspection System used for recording and processing
smog inspection data.
Exhaust Leak Check - ANSWER-Check for leak in the Exhaust System and insert
probe in hole after the Muffler or before the Catalytic Converter.
High and Low Calibration Gas - ANSWER-Manually inputted into the EIS if unable
to scan the labels.
Modified Vehicle Failure - ANSWER-Fail vehicle for Modified if the Catalytic
Converter is not CARB approved.
, Sample Air Dilution Notice Warning - ANSWER-Indicates a potential issue with the
exhaust system during a two-speed idle test.
Change of Ownership Smog Inspection - ANSWER-Required for Diesel Vehicles
anytime they are sold after the initial purchase.
Repair Cost Minimum - ANSWER-The threshold cost that determines if a vehicle
can be sent to the referee.
Gray Market Vehicle - ANSWER-A vehicle that was not originally sold in the U.S.
market but has been modified to meet U.S. regulations.
Oversize Tires - ANSWER-Tires that exceed the standard size for a vehicle,
potentially affecting smog inspection eligibility.
Four-Wheel Drive Dynamometer - ANSWER-Equipment required for testing
certain vehicles that cannot be tested on a standard dynamometer.
Exhaust System Leak - ANSWER-A condition that may require checking before
proceeding with emissions testing.
Diesel Vehicles ownership inspection - ANSWER-Require a change of ownership
smog inspection anytime they are sold after the initial purchase.
Diesel Vehicles smog check timing - ANSWER-Require a smog check inspection
beginning two years after the initial purchase.
