SMOG CHECK INSPECTOR STUDY GUIDE EXAM
QUESTIONS AND SOLUTIONS RATED A+
✔✔A SPCNS vehicle may be built from ? (3 things ) - ✔✔Kit cars, new or used parts,
dismantled vehicles that are reconstructed but do not resemble the original make
✔✔Vehicles 95' and older are tested on which machine ? - ✔✔OBD 1
✔✔Vehicles 96' and newer are tested on which machine ? - ✔✔OBD II
✔✔Gasoline vehicles 76' to 99' are tested on which machine ? - ✔✔BAR 97
✔✔2000 and newer are tested on which machine ? - ✔✔OIS
✔✔98 and newer diesel vehicles are tested on which machine ? - ✔✔OIS
✔✔What does the crankcase test consist of? 👀💨 and for how long? - ✔✔Observe the
engine crankcase for 10 seconds
✔✔A certification of compliance is not required for which type of vehicles ? -
✔✔Government fleet vehicles
✔✔Who qualifies for a waiver ? 🇺🇸 - ✔✔Military personnel
✔✔Change of ownership area 76' to 99' MY vehicles are subject to what kind of
emissions test ? Hint: tailpipe - ✔✔2 speed idle test
✔✔No repairs or diagnoses can be performed at a TEST ONLY station except for minor
repairs such as ..? - ✔✔The reconnection of hoses and vacuum lines
✔✔When applicable a directed vehicles may also be certified where ? - ✔✔Bar referee
facility
✔✔If a vehicle fails smog, and get the needed repairs done, which station should they
refer back to ? - ✔✔Any STAR certified station
✔✔Directed vehicles can only receive a smog check certification from which stations ??
- ✔✔Star test only and star test repair
✔✔A certificate of compliance is required whenever a vehicle changes ownership
except when the vehicle is being transferred between ? - ✔✔Family
(parent,child,spouse,) companies, lessor and lessee
, ✔✔What are three main reasons to reject a vehicle from performing an initial initial
inspection ? - ✔✔Excessive fluid leaks, engine overheating, unsafe drive axle tire or
wheel (dyno test only)
✔✔While performing a visual inspection an inspector observes there is no EGR
amplifier even though one is shown on the under hood emission label. The EGR valve
is connected to the ported vacuum. What EIS analyzer entry should be made? -
✔✔Missing
✔✔Which of the following actions should be taken if a vehicles timing reads 5 degrees
BTDC and the specification of the vehicle is 8 degrees ? - ✔✔Enter "PASS" into the
analyzer for ignition timing and 5 degrees BTDC for the timing reading
✔✔Which of the following is a primary purpose of the smog check referee ? -
✔✔Perform inspection dispute resolutions
✔✔What action should be taken when a 23 month old car with 22,000 miles on its
odometer fails an emissions inspection because of a failed emission component? -
✔✔Refer the customer to go to a dealer for the repair
✔✔What is the difference between a three wire oxygen sensor and a single wire oxygen
sensor ? - ✔✔A three wire allows earlier closed loop operation
✔✔are smog check inspections and or repairs allowed to be sublet - ✔✔No but there
are a few exceptions
✔✔Is sales tax included on the estimate? - ✔✔No only on the invoice
✔✔Functional tests are procedures that consist of - ✔✔EGR systems, ignition timing,
MIL, OBD, LPFET, fuel cap (following manufacturer procedures, smog check manual
and as prompted by the inspection system
✔✔Under functional which two tests does gasoline powered vehicles from 96 to 99
require? - ✔✔OBD AND MIL
✔✔What are the two required tests do gasoline powered vehicles from 75 to 95
require? - ✔✔Tailpipe and Visual and everything comes with it
✔✔On government vehicles if the odometer is missing or illegible enter ___? - ✔✔None;
N/A
✔✔Inspect a dual/ bi-fuel vehicle using the ⛽️ - ✔✔Fuel in which the vehicle was
operating on when it arrived to the station
QUESTIONS AND SOLUTIONS RATED A+
✔✔A SPCNS vehicle may be built from ? (3 things ) - ✔✔Kit cars, new or used parts,
dismantled vehicles that are reconstructed but do not resemble the original make
✔✔Vehicles 95' and older are tested on which machine ? - ✔✔OBD 1
✔✔Vehicles 96' and newer are tested on which machine ? - ✔✔OBD II
✔✔Gasoline vehicles 76' to 99' are tested on which machine ? - ✔✔BAR 97
✔✔2000 and newer are tested on which machine ? - ✔✔OIS
✔✔98 and newer diesel vehicles are tested on which machine ? - ✔✔OIS
✔✔What does the crankcase test consist of? 👀💨 and for how long? - ✔✔Observe the
engine crankcase for 10 seconds
✔✔A certification of compliance is not required for which type of vehicles ? -
✔✔Government fleet vehicles
✔✔Who qualifies for a waiver ? 🇺🇸 - ✔✔Military personnel
✔✔Change of ownership area 76' to 99' MY vehicles are subject to what kind of
emissions test ? Hint: tailpipe - ✔✔2 speed idle test
✔✔No repairs or diagnoses can be performed at a TEST ONLY station except for minor
repairs such as ..? - ✔✔The reconnection of hoses and vacuum lines
✔✔When applicable a directed vehicles may also be certified where ? - ✔✔Bar referee
facility
✔✔If a vehicle fails smog, and get the needed repairs done, which station should they
refer back to ? - ✔✔Any STAR certified station
✔✔Directed vehicles can only receive a smog check certification from which stations ??
- ✔✔Star test only and star test repair
✔✔A certificate of compliance is required whenever a vehicle changes ownership
except when the vehicle is being transferred between ? - ✔✔Family
(parent,child,spouse,) companies, lessor and lessee
, ✔✔What are three main reasons to reject a vehicle from performing an initial initial
inspection ? - ✔✔Excessive fluid leaks, engine overheating, unsafe drive axle tire or
wheel (dyno test only)
✔✔While performing a visual inspection an inspector observes there is no EGR
amplifier even though one is shown on the under hood emission label. The EGR valve
is connected to the ported vacuum. What EIS analyzer entry should be made? -
✔✔Missing
✔✔Which of the following actions should be taken if a vehicles timing reads 5 degrees
BTDC and the specification of the vehicle is 8 degrees ? - ✔✔Enter "PASS" into the
analyzer for ignition timing and 5 degrees BTDC for the timing reading
✔✔Which of the following is a primary purpose of the smog check referee ? -
✔✔Perform inspection dispute resolutions
✔✔What action should be taken when a 23 month old car with 22,000 miles on its
odometer fails an emissions inspection because of a failed emission component? -
✔✔Refer the customer to go to a dealer for the repair
✔✔What is the difference between a three wire oxygen sensor and a single wire oxygen
sensor ? - ✔✔A three wire allows earlier closed loop operation
✔✔are smog check inspections and or repairs allowed to be sublet - ✔✔No but there
are a few exceptions
✔✔Is sales tax included on the estimate? - ✔✔No only on the invoice
✔✔Functional tests are procedures that consist of - ✔✔EGR systems, ignition timing,
MIL, OBD, LPFET, fuel cap (following manufacturer procedures, smog check manual
and as prompted by the inspection system
✔✔Under functional which two tests does gasoline powered vehicles from 96 to 99
require? - ✔✔OBD AND MIL
✔✔What are the two required tests do gasoline powered vehicles from 75 to 95
require? - ✔✔Tailpipe and Visual and everything comes with it
✔✔On government vehicles if the odometer is missing or illegible enter ___? - ✔✔None;
N/A
✔✔Inspect a dual/ bi-fuel vehicle using the ⛽️ - ✔✔Fuel in which the vehicle was
operating on when it arrived to the station
