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CA SMOG CHECK INSPECTOR EXAM (ACTUAL EXAM) | COMPLETE EXAM QUESTIONS AND CORRECT ANSWERS, Exams of Mechanics

CA SMOG CHECK INSPECTOR EXAM (ACTUAL EXAM) | COMPLETE EXAM QUESTIONS AND CORRECT ANSWERS | GRADED A+ | VERIFIED ANSWERS | LATEST VERSION 2025

Typology: Exams

2024/2025

Available from 01/27/2025

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CA SMOG CHECK INSPECTOR EXAM (ACTUAL
EXAM) | COMPLETE EXAM QUESTIONS AND
CORRECT ANSWERS | GRADED A+ | VERIFIED
ANSWERS | LATEST VERSION 2025
What should be done if the BAR97 analyzer fails the leak test (for the
sample hose). ---------CORRECT ANSWER-----------------Find and repair the
leak prior to performing an inspection.
OIS inspections are required on all diesel vehicles ________. ---------
CORRECT ANSWER-----------------1998 and newer
What is ignition timing? ---------CORRECT ANSWER-----------------When the
spark occurs in the combustion chamber relative to crankshaft position.
What is the RPM tolerance during an ignition timing functional test, if no
manufacturers' spec is given? ---------CORRECT ANSWER-----------------+/-
100 RPM
What should be done in the case of a damaged harmonic balancer
(mechanical defect) during an ignition timing functional test? ---------
CORRECT ANSWER-----------------Enter F (defective) into the analyzer and
follow the prompts. Also, note the defect on the VIR and final invoice.
What type of inspection is given to most 2000 and newer gasoline and
hybrid vehicles with OBDII, as well as 1998 and newer diesel vehicles
under 14,000 GVWR. ---------CORRECT ANSWER-----------------OIS
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Download CA SMOG CHECK INSPECTOR EXAM (ACTUAL EXAM) | COMPLETE EXAM QUESTIONS AND CORRECT ANSWERS and more Exams Mechanics in PDF only on Docsity!

CA SMOG CHECK INSPECTOR EXAM (ACTUAL

EXAM) | COMPLETE EXAM QUESTIONS AND

CORRECT ANSWERS | GRADED A+ | VERIFIED

ANSWERS | LATEST VERSION 2025

What should be done if the BAR97 analyzer fails the leak test (for the sample hose). ---------CORRECT ANSWER-----------------Find and repair the leak prior to performing an inspection. OIS inspections are required on all diesel vehicles ________. --------- CORRECT ANSWER-----------------1998 and newer What is ignition timing? ---------CORRECT ANSWER-----------------When the spark occurs in the combustion chamber relative to crankshaft position. What is the RPM tolerance during an ignition timing functional test, if no manufacturers' spec is given? ---------CORRECT ANSWER-----------------+/- 100 RPM What should be done in the case of a damaged harmonic balancer (mechanical defect) during an ignition timing functional test? --------- CORRECT ANSWER-----------------Enter F (defective) into the analyzer and follow the prompts. Also, note the defect on the VIR and final invoice. What type of inspection is given to most 2000 and newer gasoline and hybrid vehicles with OBDII, as well as 1998 and newer diesel vehicles under 14,000 GVWR. ---------CORRECT ANSWER-----------------OIS

What portion of the inspection is not performed on hybrid vehicles? --------- CORRECT ANSWER-----------------Visible Smoke Test For VIN numbers over 17 character, what should be entered? --------- CORRECT ANSWER-----------------The last 17 characters What are the three types of vehicle certifications? ---------CORRECT ANSWER-----------------California (C), Federal (F), & Referee (R) If a digital odometer is unreadable, how is this entered into the BAR97/OIS System? ---------CORRECT ANSWER-----------------Enter NONE into the analyzer. 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

repairs at a smog heck station (some exceptions apply for visible smoke test failures) Which test requirement applies only to motor homes under 8501 GVWR? -- -------CORRECT ANSWER-----------------ASM TEST The functional test may be performed prior to the emissions test portion true or false? ---------CORRECT ANSWER-----------------False The inspector enters the test mode of the emissions inspection system (EIS) analyzer using ?? ---------CORRECT ANSWER-----------------His or her inspectors license information and confidential access code Which of the following gases are reduced by the Air injection system? ------ ---CORRECT ANSWER-----------------HC and CO Which of the following is NOT considered a sub system of the computerized emission control system? ---------CORRECT ANSWER-------- ---------Antilock brake module What gases does the PCV system reduce? ---------CORRECT ANSWER--- --------------HC AND CO 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 ??? ---------CORRECT ANSWER-----------------False

During which portion of the smog check inspection should an inspector inspect the fuel injection/ carburetor system ?? ---------CORRECT ANSWER-----------------Visual Where is the oxygen sensor located ?? ---------CORRECT ANSWER---------

  • -------Exhaust system Which of the following functions is controlled by the spark control system? ---------CORRECT ANSWER-----------------Ignition timing Which component is NOT included in the category called Other emission components of the visual inspection using the EIS? ---------CORRECT ANSWER-----------------Timing gears and pulleys Which of the following entries is not allowed when entering visual inspection results into the EIS? ---------CORRECT ANSWER----------------- Fail Catalytic converters are generally located just after the muffler to ensure correct temp. True or false ---------CORRECT ANSWER-----------------False Which of the following is NOT a reason to fail the MIL or Check engine light ?? ---------CORRECT ANSWER-----------------The light stays on steady for a few seconds after start up

These items can cause a vehicle to be rejected from an inspection. --------- CORRECT ANSWER-----------------Faulty brakes, low oil pressure, large coolant leak, tire failure, gasoline leaks, engine noise, overheating These items are not a reason to reject vehicle from an inspection --------- CORRECT ANSWER-----------------Tire pressure, missing emission label, traction control What is the term for ideal combustion efficiency? ---------CORRECT ANSWER-----------------Stoichiometry If a vehicle fails an inspection for any reason, what should the technician do? ---------CORRECT ANSWER-----------------Advise the vehicle owner to have the vehicle diagnosed to determine the cause of the failure If the VIN on the registration and vehicle differ, what action should the technician take? ---------CORRECT ANSWER-----------------Use the VIN on the vehicle and continue with the inspection. If a test and repair station does not have the tools/equipment to repair a vehicle, what must be done prior to accepting a vehicle for an inspection. -- -------CORRECT ANSWER-----------------Notify the customer both orally and in writing that they are unable to repair if it fails. What must be noted on a VIR? ---------CORRECT ANSWER----------------- Location of liquid fuel leak, reason for smoke test failure, E.O. numbers for

aftermarket parts, component which fails in "other" category, monitors not run to completion, location of inaccessible canister for LPFET. A vehicle has been converted from diesel to gasoline. All equipment is installed for the conversion. What action should the inspector take? --------- CORRECT ANSWER-----------------Check for a BAR Referee Label, and continue with the test if equipped. What action should taken be when testing a vehicle with aftermarket parts? ---------CORRECT ANSWER-----------------Verify the aftermarket parts are approved. What program area performs only TSI tests on a biennial basis? --------- CORRECT ANSWER-----------------Basic What program area performs both TSI & ASM tests on a biennial basis? ---- -----CORRECT ANSWER-----------------Enhanced What program area performs only TSI tests on change of ownership? ------- --CORRECT ANSWER-----------------Change of ownership When is the tailpipe (idle) smoke test performed during a BAR inspection? ---------CORRECT ANSWER-----------------After the tail pipe sampling part of the test.

Two reasons for aborting a test are _______. ---------CORRECT ANSWER- ----------------Overheating and severe oil leaks If a vehicle fails any portion of the Visible Smoke Test during a BAR inspection, how is it recorded? ---------CORRECT ANSWER-----------------By entering F (defective) in the "Other Emission Related Components" category. The liquid fuel leak applies to ____________. ---------CORRECT ANSWER- ----------------All gasoline powered vehicles undergoing a BAR97 or OIS inspection. How are components or systems that are found to be missing, modified, or disconnected during the visual inspection entered into the OIS system. ----- ----CORRECT ANSWER-----------------T for tampered How are components or systems that are found to be defective during the visual inspection entered into the OIS system. ---------CORRECT ANSWER-----------------F for defective When can minor repairs be performed during an ASM/TSI inspection? ------ ---CORRECT ANSWER-----------------Prior to the tailpipe sampling portion, with the exception of replacing the fuel cap, which can be done anytime. What are the names of the calibration gases used by the BAR 97 EIS? ----- ----CORRECT ANSWER-----------------Zero Air, BAR 97 High, BAR 97 Low

What gas is used to perform the LPFET? ---------CORRECT ANSWER------- ----------Nitrogen During the smog inspection, the BAR97 EIS must contact the Vehicle Information Database (VID) twice; once to retrieve vehicle info an once to submit info. If the BAR97 EIS fails to communicate, due to a communication error, how should the technician proceed? --------- CORRECT ANSWER-----------------Attempt to verify program area and directed status of the vehicle. If this can be confirmed, the technician can proceed, but if the info is incorrect, the certificate may not be valid. If the certificate is valid, it may not be communicated to DMV. How should an odometer that reads in kilometers be entered into the EIS/OIS? ---------CORRECT ANSWER-----------------Enter the odometer reading in kilometers. No conversion is necessary. Which monitors are allowed to be incomplete on 2006 and older diesel powered vehicles? ---------CORRECT ANSWER-----------------No monitors are allowed to be incomplete. Which monitors are allowed to be incomplete on 2007 and newer diesel powered vehicles? ---------CORRECT ANSWER-----------------Any two monitors are allowed to be incomplete Which monitors are allowed to be incomplete on 1996 through 1999 gasoline powered vehicles? ---------CORRECT ANSWER-----------------Any one monitor is allowed to be incomplete

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. The CARB EO parts listing contain information about what? --------- CORRECT ANSWER-----------------Part manufacturer catalog, part listings, catalytic converters, the applicable vehicles for which it can be ínstalled

What are Grey Market Vehicles? ---------CORRECT ANSWER----------------- Vehicles that were manufacturered for sale outside the u.s and imported into the US In the two speed idle inspection which test comes first? ---------CORRECT ANSWER-----------------2500 RPM run for 30 seconds vehicles 1976-1999 MY are subject to what kind of emissions tailpipe test ?? - --------CORRECT ANSWER-----------------Two speed idle On Bar 97 EIS selecting "G" or "government" will chase the EIS to ask for what to input into the system? ---------CORRECT ANSWER----------------- BAR FILE # (thereby preventing a certificate of compliance from being issues) N/A What is required under visual inspection for gasoline vehicles from 1975- 1999? ---------CORRECT ANSWER-----------------All of them (Crankcase emission controls, TAC, EVAP, EGR, computers, sensors, switches, visible smoke, liquid fuel leaks, ignition spark controls, 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

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 Vehicles 95' and older are tested on which machine? ---------CORRECT ANSWER-----------------OBD 1 Vehicles 96' and newer are tested on which machine? ---------CORRECT ANSWER-----------------OBD II Gasoline vehicles 76' to 99' are tested on which machine? --------- CORRECT ANSWER-----------------BAR 97 2000 and newer are tested on which machine? ---------CORRECT ANSWER-----------------OIS

98 and newer diesel vehicles are tested on which machine? --------- CORRECT ANSWER-----------------OIS What does the crankcase test consist of? 👀💨 and for how long? --------- CORRECT ANSWER-----------------Observe the engine crankcase for 10 seconds A certification of compliance is not required for which type of vehicles? ----- ----CORRECT ANSWER-----------------Government fleet vehicles 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

Which of the following is a primary purpose of the smog check referee? ---- -----CORRECT ANSWER-----------------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? ---------CORRECT ANSWER-----------------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? ---------CORRECT ANSWER-----------------A three wire allows earlier closed loop operation are smog check inspections and or repairs allowed to be sublet --------- CORRECT ANSWER-----------------No but there are a few exceptions Is sales tax included on the estimate? ---------CORRECT ANSWER----------- ------No only on the invoice Functional tests are procedures that consist of ---------CORRECT ANSWER-----------------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? ---------CORRECT ANSWER-----------------OBD AND MIL

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/ 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