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SMOG CHECK INSPECTOR EXAM CA FINAL
SCRIPT 2026 COMPLETE SOLUTION SET
โ What are the two types of Acceleration Simulation mode tests? Answer: 50/15 and 25/25 test โ What does DAD stand for? Answer: Data acquisition device โ Smog check program divides the state into 3 areas determined by the air quality.. what are they? Answer: Enhanced, Basic, and Change of Ownership โ Biennial smog checks are required in which program area? Answer: Enhanced areas ( these areas do not meet federal or state air quality standards for ozone and carbon monoxide) โ If the VIN on the vehicle doesn't match the registration documents what should the inspector do? Answer: Use the VIN on the vehicle to inform the customer that it doesn't match the registration document. DMV will not accept the test results โ If VIN and plate entries are correct and communication failure continues what should the tech do? How do you proceed? Answer: Complete the inspection as promoted by the EIS.
โ The CARB EO parts listing contain information about what? Answer: Part manufacturer catalog, part listings, catalytic converters, the applicable vehicles for which it can be รญ nstalled โ What are Grey Market Vehicles? Answer: Vehicles that were manufacturered for sale outside the u.s and imported into the US โ In the two speed idle inspection which test comes first? Answer: 2500 RPM run for 30 seconds โ vehicles 1976-1999 MY are subject to what kind of emissions tailpipe test ?? Answer: Two speed idle โ On Bar 97 EIS selecting "G" or "government" will chase the EIS to ask for what to input into the system? Answer: BAR FILE # (thereby preventing a certificate of compliance from being issues) N/A โ What is required under visual inspection for gasoline vehicles from 1975-1999? Answer: All of them (Crankcase emission controls, TAC, EVAP, EGR, computers, sensors, switches, visible smoke, liquid fuel leaks, ignition spark controls,
โ What is an under hood emission control label? Indicates the vehicles ___? Answer: Certification type ( California or Federal) โ Does a missing or ilegible emission control label constitute in an inspection failure? Answer: No, you can proceed with the inspection provided that the required emission controls can be determined using other sources โ For gasoline powered vehicles with stop-start systems, the inspector shall visually inspect for ___? And in what position? Answer: Liquid fuel leaks and key on engine off (KOEO) โ A SPCNS vehicle may be built from? (3 things ) Answer: Kit cars, new or used parts, dismantled vehicles that are reconstructed but do not resemble the original make โ Vehicles 95' and older are tested on which machine? Answer: OBD 1 โ Vehicles 96' and newer are tested on which machine? Answer: OBD II โ Gasoline vehicles 76' to 99' are tested on which machine? Answer: BAR 97
โ 2000 and newer are tested on which machine? Answer: OIS โ 98 and newer diesel vehicles are tested on which machine? Answer: OIS โ What does the crankcase test consist of? and for how long? Answer: Observe the engine crankcase for 10 seconds โ A certification of compliance is not required for which type of vehicles? Answer: Government fleet vehicles โ Who qualifies for a waiver? ๐บ๐ธ Answer: Military personnel โ Change of ownership area 76' to 99' MY vehicles are subject to what kind of emissions test? Hint: tailpipe Answer: 2 speed idle test โ No repairs or diagnoses can be performed at a TEST ONLY station except for minor repairs such as ..? Answer: The reconnection of hoses and vacuum lines โ When applicable a directed vehicles may also be certified where? Answer: Bar referee facility
โ Which of the following is a primary purpose of the smog check referee? Answer: Perform inspection dispute resolutions โ 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? Answer: Refer the customer to go to a dealer for the repair โ What is the difference between a three wire oxygen sensor and a single wire oxygen sensor? Answer: A three wire allows earlier closed loop operation โ are smog check inspections and or repairs allowed to be sublet Answer: No but there are a few exceptions โ Is sales tax included on the estimate? Answer: No only on the invoice โ Functional tests are procedures that consist of Answer: EGR systems, ignition timing, MIL, OBD, LPFET, fuel cap (following manufacturer procedures, smog check manual and as prompted by the inspection system โ Under functional which two tests does gasoline powered vehicles from 96 to 99 require? Answer: OBD AND MIL
โ What are the two required tests do gasoline powered vehicles from 75 to 95 require? Answer: Tailpipe and Visual and everything comes with it โ On government vehicles if the odometer is missing or illegible enter ___? Answer: None; N/A โ Inspect a dual/ bi-fuel vehicle using the Answer: Fuel in which the vehicle was operating on when it arrived to the station โ The ASM emission inspection includes two loaded mode sequences known as / and ___/____? Answer: 50/15 and 25/ โ If the BAR referee label is missing what should the technician inform the customer ?? Answer: To contact the bar referee for inspection information โ An SPCN, grey market or vehicle with an engine change without a bar referee label it must be first inspected where? Answer: Referee โ If no liquid leak is found what should you input into the EIS OR OIS? Answer: Pass
โ What are the three required tests for gasoline powered vehicles from 96-99? Answer: Visual functional and tailpipe โ What if a SPCNS vehicle doesn't have the BAR label? Answer: Then you must send it to the state referee to be inspected โ SPCNS vehicles MUST be equipped with what label? Answer: BAR Referee label โ When should a written estimate be provided? Answer: Before and after the repair is conducted โ Who cannot sublet smog check inspections or repairs Answer: Test only stations โ What does sublet mean? Answer: Send vehicle to another shop after diagnosing it โ What is the station license duration? Answer: 1 year โ What does the state referee provide? Answer: Special test services including unique services not performed in conventional smog check stations
โ Which areas are LESS polluted than enhanced areas? Answer: Basic areas โ Older vehicles from 76-99 are subject to what kind if emissions test? Answer: Dyno- OBD I โ When inspecting a government fleet vehicle what vehicle information is needed? Answer: Bar file number โ What should the tech do if the VIN # on the bar code is illegible? Answer: Then you must input it manually โ Diesel vehicles that are 98 and newer require which two functional tests ?? Answer: OBD and MIL (malfunction indicator light) โ The visible smoke test consists of? Answer: 3 bar snap tests โ Bio diesel kits installed on 98'-03' model year vehicles are acceptable without an ARB EO exemption Answer:
โ The smog check sign shall be how many inches wide and how many inches tall? (Measurements for the sign) Answer: 24 wide x 30 height โ If a vehicle is registered in the enhanced area but it garaged in s basic area it must undergo ..? Answer: An enhanced area inspection โ If a vehicle has tampered emission control equipment then what cannot be issued to them? They don't qualify for a ..? Answer: Repair cost waiver โ All 95 and older equipped with EGR and are subject to a two speed idle test must undergo the EGR functional test Answer: If the MIL does not illuminate at all in the KOEO position or if it continuously flashes with the engine running then this indicates that โ Pass fail determination - bar snap test?? Answer: Pass the vehicle if the vehicle does not emit smoke during the idle test, crankcase test and both of the final two bar snap tests. Fail if smoke does come out on either of the final two bar snap tests โ Diesel- a visible smoke plume observed 5 to 15 feet from the tailpipes that lingers for more than 3 seconds on either of the final 2 bar snap tests. Pass or fail Answer: Fail
โ Pass or fail? Any visible smoke observed during the idle test? Answer: Fail โ What is the crankcase PCV test? Answer: Continue to leave the engine running, go to vehicles engine compartment open the good and determine whether any smoke is coming from the crankcase pcv system (observe for 10 seconds) โ What is the EVAP test? Answer: Detects any leaks for vehicles 95' and older โ What is the Bar snap test? Answer: It's part of the bar 97 tests older vehicles 99 and older. Ensure that the RPM falls in between 2000 and 3000observe the tailpipe exhaust plume for 10 seconds ( times) โ When calibrating the bar 97 which gases does it have? Answer: Zero, high, and low โ When calibrating the EVAP machine what do you need to do? Answer: Attach the red hose to the machine need ti open up the compressed nitrogen
โ A malfunction indicator light is designed to let the owner know when? Answer: A vehicle has an emissions system concern โ DLC locations can be found where? Answer: In an ECS application guide โ True or false : a source for locating a vehicles DLC is the BAR 97 EIS? Answer: True โ What are the four strokes in the four stroke cycle? Answer: Intake, compression, power and exhaust โ Which of the following acronyms defines TDC? And BTDC? Answer: Top dead center and before too dead center โ Timing specification use which of the following measurements for setting ignition timing? Answer: Degrees โ True or false : the timing doesn't matter as long as the spark plug fires at some point before too dead center? Answer: False โ What best describes the phrase "Top Dead center"? Answer: A point when the piston has reached the top of It's travel
โ In older model year vehicles timing is adjusted by rotating which of the following components? Answer: Distributor โ Two types of timing controls? Answer: Electronic and mechanical โ At what engine idle speed should the engine timing test be performed? Answer: Engine idle must be within plus or minus 100 rpm of the manufacturers specifications โ Who is correct? Tech a or tech b: emission control label and emission control manuals can be used to research after market parts, or CARB has a searchable database for aftermarket parts ?? Answer: Tech b only is correct โ The EGR system works by recirculating a portion of an engines exhaust back into the combustion chamber to reduce peak combustion temperatures. Excessive combustion temperature increases ____ which contributes to the formation of photochemical smog and ground level ozone. Answer: NOX โ Which of the following describes the acronym NOX? Answer: Oxides of nitrogen
โ The functional test may be performed prior to the emissions test portion true or false? Answer: False โ The inspector enters the test mode of the emissions inspection system (EIS) analyzer using ?? Answer: His or her inspectors license information and confidential access code โ Which of the following gases are reduced by the Air injection system? Answer: HC and CO โ Which of the following is NOT considered a sub system of the computerized emission control system? Answer: Antilock brake module โ What gases does the PCV system reduce? Answer: HC AND CO โ On a vehicle equipped with a TAC, it is acceptable to flip over the air cleaner lid for better intake air flow. True or false ??? Answer: False โ During which portion of the smog check inspection should an inspector inspect the fuel injection/ carburetor system ?? Answer: Visual
โ Where is the oxygen sensor located ?? Answer: Exhaust system โ Which of the following functions is controlled by the spark control system? Answer: Ignition timing โ Which component is NOT included in the category called Other emission components of the visual inspection using the EIS? Answer: Timing gears and pulleys โ Which of the following entries is not allowed when entering visual inspection results into the EIS? Answer: Fail โ Catalytic converters are generally located just after the muffler to ensure correct temp. True or false Answer: False โ Which of the following is NOT a reason to fail the MIL or Check engine light ?? Answer: The light stays on steady for a few seconds after start up โ Which vehicles are required to be tested for the Fuel cap test ?? Answer: 95 and older
