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CA Smog Check Inspector Exam (Actual Exam 2025)
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All 95 and older equipped with EGR and are subject to a two speed idle test must undergo the EGR functional test ---------CORRECT 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 Pass fail determination - bar snap test?? ---------CORRECT 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 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 --------- CORRECT ANSWER-----------------Fail Pass or fail? Any visible smoke observed during the idle test? ---------CORRECT ANSWER-----------------Fail What is the crankcase PCV test? ---------CORRECT 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) What is the EVAP test? ---------CORRECT ANSWER-----------------Detects any leaks for vehicles 95' and older What is the Bar snap test? ---------CORRECT 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 (3 times) When calibrating the bar 97 which gases does it have? ---------CORRECT ANSWER- ----------------Zero, high, and low When calibrating the EVAP machine what do you need to do? ---------CORRECT ANSWER-----------------Attach the red hose to the machine need ti open up the compressed nitrogen What is the PCV system? Reduces which two gases ---------CORRECT ANSWER------ -----------Contains the flow of crankcase fumes (blow by gases) into the intake manifold to reduce hydrocarbons (HC) and Carbon Monoxide (CO)
Number of incomplete monitors allowed to pass the OBD TEST for 2007 and newer diesel vehicles is? ---------CORRECT ANSWER-----------------Any two Who is responsible for the sublet repairs? ---------CORRECT ANSWER----------------- The dealers- need customer consent of course The smog check sign shall be how many inches wide and how many inches tall? (Measurements for the sign) ---------CORRECT ANSWER-----------------24 wide x 30 height If a vehicle is registered in the enhanced area but it garaged in s basic area it must undergo ..? ---------CORRECT ANSWER-----------------An enhanced area inspection If a vehicle has tampered emission control equipment then what cannot be issued to them? They don't qualify for a ..? ---------CORRECT ANSWER-----------------Repair cost waiver What are two types of TSI (Two speed idle tests?) ---------CORRECT ANSWER--------- --------2500 rpm and Idle
What are the two types of Acceleration Simulation mode tests? ---------CORRECT ANSWER-----------------50/15 and 25/25 test What does DAD stand for? ---------CORRECT ANSWER-----------------Data acquisition device Smog check program divides the state into 3 areas determined by the air quality.. what are they? ---------CORRECT ANSWER-----------------Enhanced, Basic, and Change of Ownership Biennial smog checks are required in which program area? ---------CORRECT ANSWER-----------------Enhanced areas ( these areas do not meet federal or state air quality standards for ozone and carbon monoxide) If the VIN on the vehicle doesn't match the registration documents what should the inspector do? ---------CORRECT 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 If VIN and plate entries are correct and communication failure continues what should the tech do? How do you proceed? ---------CORRECT ANSWER----------------- Complete the inspection as promoted by the EIS.
Star Station certification allows test and repair stations to..? ---------CORRECT ANSWER-----------------Issue certificates to gross polluters, perform repairs, perform initial inspection, issue certificates to directed vehicles What are directed vehicles? ---------CORRECT ANSWER-----------------Bar directs a portion of the enhanced area fleet to star certified stations for certification Required tests for Tailpipe inspection? (2) ---------CORRECT ANSWER----------------- ASM or two speed idle Bar referee label provides what information on the label for kit cars? (2) --------- CORRECT ANSWER-----------------Certification type and emission control requirements If a vehicle is not at normal operating temperature the vehicles may either be ___ or ___. ---------CORRECT ANSWER-----------------Idled or driven normally as necessary to achieve normal operating temperature Which type of vehicles excluding hybrids (electric) must be tested for visible smoke? ---------CORRECT ANSWER-----------------Gasoline and Diesel
What is the BAR snap test? ---------CORRECT ANSWER-----------------Quickly push and release the accelerator pedal from idle position to between 2,000- 3,000 RPM then immediately allow the engine to return to idle. What is an under hood emission control label? Indicates the vehicles ___? --------- CORRECT ANSWER-----------------Certification type ( California or Federal) Does a missing or ilegible emission control label constitute in an inspection failure? ---------CORRECT ANSWER-----------------No, you can proceed with the inspection provided that the required emission controls can be determined using other sources For gasoline powered vehicles with stop-start systems, the inspector shall visually inspect for ___? And in what position? ---------CORRECT ANSWER----------------- Liquid fuel leaks and key on engine off (KOEO) A SPCNS vehicle may be built from? (3 things ) ---------CORRECT ANSWER------------ -----Kit cars, new or used parts, dismantled vehicles that are reconstructed but do not resemble the original make
Who qualifies for a waiver? 🇺🇸 ---------CORRECT ANSWER-----------------Military personnel Change of ownership area 76' to 99' MY vehicles are subject to what kind of emissions test? Hint: tailpipe ---------CORRECT ANSWER-----------------2 speed idle test No repairs or diagnoses can be performed at a TEST ONLY station except for minor repairs such as ..? ---------CORRECT ANSWER-----------------The reconnection of hoses and vacuum lines When applicable a directed vehicles may also be certified where? --------- CORRECT ANSWER-----------------Bar referee facility If a vehicle fails smog, and get the needed repairs done, which station should they refer back to? ---------CORRECT ANSWER-----------------Any STAR certified station Directed vehicles can only receive a smog check certification from which stations ?? ---------CORRECT ANSWER-----------------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? ---------CORRECT ANSWER-----------------Family (parent,child,spouse,) companies, lessor and lessee What are three main reasons to reject a vehicle from performing an initial initial inspection? ---------CORRECT ANSWER-----------------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? ---------CORRECT ANSWER-----------------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? ---------CORRECT ANSWER-----------------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? --------- CORRECT ANSWER-----------------Perform inspection dispute resolutions
What are the two required tests do gasoline powered vehicles from 75 to 95 require? ---------CORRECT ANSWER-----------------Tailpipe and Visual and everything comes with it On government vehicles if the odometer is missing or illegible enter ___? --------- CORRECT ANSWER-----------------None; N/A Inspect a dual/ bi-fuel vehicle using the ⛽️ ---------CORRECT ANSWER----------------- Fuel in which the vehicle was operating on when it arrived to the station The ASM emission inspection includes two loaded mode sequences known as / and ___/____? ---------CORRECT ANSWER-----------------50/15 and 25/ If the BAR referee label is missing what should the technician inform the customer ?? ---------CORRECT ANSWER-----------------To contact the bar referee for inspection information An SPCN, grey market or vehicle with an engine change without a bar referee label it must be first inspected where? ---------CORRECT ANSWER----------------- Referee
If no liquid leak is found what should you input into the EIS OR OIS? --------- CORRECT ANSWER-----------------Pass If a liquid fuel leak is detected what should you input into the EIS OR OIS? --------- CORRECT ANSWER-----------------"F" for fail , defective If a vehicle is equipped with parts that modify the original emission control configuration, inspectors must verify if those parts are exempted or? --------- CORRECT ANSWER-----------------Carb approved If any required emission control system are found to be tampered or defective then the vehicle shall ..? ---------CORRECT ANSWER-----------------Fail the inspection The fan must be used when ambient temperature reaches how many degrees? --- ------CORRECT ANSWER-----------------72 degrees and above Do not inspect kit cars unless they are equipped with? ---------CORRECT ANSWER-- ---------------Bar referee label
Who cannot sublet smog check inspections or repairs ---------CORRECT ANSWER--- --------------Test only stations What does sublet mean? ---------CORRECT ANSWER-----------------Send vehicle to another shop after diagnosing it What is the station license duration? ---------CORRECT ANSWER----------------- 1 year What does the state referee provide? ---------CORRECT ANSWER----------------- Special test services including unique services not performed in conventional smog check stations Which areas are LESS polluted than enhanced areas? ---------CORRECT ANSWER---- -------------Basic areas Older vehicles from 76- 99 are subject to what kind if emissions test? --------- CORRECT ANSWER-----------------Dyno- OBD I
When inspecting a government fleet vehicle what vehicle information is needed? ---------CORRECT ANSWER-----------------Bar file number What should the tech do if the VIN # on the bar code is illegible? ---------CORRECT ANSWER-----------------Then you must input it manually Diesel vehicles that are 98 and newer require which two functional tests ?? --------
- CORRECT ANSWER-----------------OBD and MIL (malfunction indicator light) The visible smoke test consists of? ---------CORRECT ANSWER-----------------3 bar snap tests Bio diesel kits installed on 98'-03' model year vehicles are acceptable without an ARB EO exemption ---------CORRECT ANSWER----------------- When was OBD II required to be on vehicles less than 14000 lbs GVWR? --------- CORRECT ANSWER----------------- 1996
True or false : a source for locating a vehicles DLC is the BAR 97 EIS? --------- CORRECT ANSWER-----------------True What are the four strokes in the four stroke cycle? ---------CORRECT ANSWER------ -----------Intake, compression, power and exhaust Which of the following acronyms defines TDC? And BTDC? ---------CORRECT ANSWER-----------------Top dead center and before too dead center Timing specification use which of the following measurements for setting ignition timing? ---------CORRECT ANSWER-----------------Degrees True or false : the timing doesn't matter as long as the spark plug fires at some point before too dead center? ---------CORRECT ANSWER-----------------False What best describes the phrase "Top Dead center"? ---------CORRECT ANSWER----- ------------A point when the pistón has reached the top of It's travel In older model year vehicles timing is adjusted by rotating which of the following components? ---------CORRECT ANSWER-----------------Distributor
Two types of timing controls? ---------CORRECT ANSWER-----------------Electronic and mechanical At what engine idle speed should the engine timing test be performed? --------- CORRECT ANSWER-----------------Engine idle must be within plus or minus 100 rpm of the manufacturers specifications 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 ?? ---------CORRECT ANSWER-----------------Tech b only is correct 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. ---------CORRECT ANSWER-------------- ---NOX Which of the following describes the acronym NOX? ---------CORRECT ANSWER----- ------------Oxides of nitrogen
