Download SMOG CHECK INSPECTOR EXAM CA | ALL QUESTIONS AND CORRECT ANSWERS | ALREADY GRADED A+ and more Exams Mechanics in PDF only on Docsity!
SMOG CHECK INSPECTOR EXAM CA | ALL QUESTIONS
AND CORRECT ANSWERS | ALREADY GRADED A+ |
VERIFIED ANSWERS | LATEST VERSION 2025
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 Inspector A says that aftermarket air intake systems on 95 and older vehicles that do not alter or relocate emission control components are not required to have a CARB EO #. Tech b says that OBD II equipped are required to have a CARB EO # for aftermarket air intake systems. Who is correct? ---------CORRECT ANSWER-----------------Both are correct
Motor homes and dual tanks do not require which test? ---------CORRECT ANSWER-----------------EVAP The CAP program offers what two options to assist customers? --------- CORRECT ANSWER-----------------Repair assistance- may receive up to $500 in emissions related repairs and low income eligibility- consumers whose household income is at or below 225% of the federal poverty guidelines may qualify for repair assistance How do customers apply for this? ---------CORRECT ANSWER----------------
- A consumer may complete the CAP application online at bar.ca.gov In general a customer may qualify for a repair cost waiver if their vehicle fails to meet the biennial smog check standards after the customer has spent a minimum of ..? ---------CORRECT ANSWER-----------------$650 on 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 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 Which vehicles are required to be tested for the Fuel cap test ?? --------- CORRECT ANSWER-----------------95 and older What is an OBD II drive cycle used for on a 1996 and newer foreign and/or domestic vehicle ?? ---------CORRECT ANSWER-----------------The drive cycle is a particular driving sequence needed to run a vehicles emission monitors to completion When you are performing a smog check inspection and find that the vehicles under hood label is missing or illegible or you find discrepancies in the vehicles emission control system, what is your next step to determine the correct emission control system ?? ---------CORRECT ANSWER---------- -------Refer to the emission controls application guide
All vehicles 1976 - 1995 receive a LPFET, unless ___________. --------- CORRECT ANSWER-----------------equipped with dual tanks, tanks over 50 gal, vehicles for which no adapter is available, or have inaccessible canisters, unless the vapor line is accessible. What are the three parts of a "visible smoke test" on a gasoline vehicle? ---- -----CORRECT ANSWER-----------------Idle Test, Crankcase Test, BAR Snap Test What gear should be used when performing an ASM emissions test? --------
- CORRECT ANSWER-----------------Automatic transmission in its normal driving gear, manual transmission in second gear 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
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. When is the tailpipe (idle) smoke test performed during a OIS inspection? -- -------CORRECT ANSWER-----------------When the OIS prompts you. What action should be taken when testing a vehicle with an aftermarket carburetor? ---------CORRECT ANSWER-----------------Obtain the part's identification numbers/name, and refer to the parts, manufacturer's catalogs/website to see it is designated as either a replacement part, and/or allowed for street use on emission-controlled vehicles. When does the PCV valve stop the flow of crankcase vapors into the intake? ---------CORRECT ANSWER-----------------During WOT or a backfire.
Opening the EGR during idle should cause _________. ---------CORRECT ANSWER-----------------the vehicle to stumble or die How could a technician verify a vehicle is warmed up properly to begin the tailpipe-sampling portion of the test? ---------CORRECT ANSWER------------- ----Check upper and lower radiator hoses, wait for fan to cycle. OIS inspections are required on all gasoline and hybrid cars ________. ----- ----CORRECT ANSWER-----------------2000 and newer What can cause a "HC Hang-Up" error? ---------CORRECT ANSWER-------- ---------Dirty filters, hose in the tailpipe, zero air off. 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
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 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 What are directed vehicles? ---------CORRECT ANSWER-----------------Bar directs a portion of the enhanced area fleet to star certified stations for certification
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 If a vehicle fails smog, and get the needed repairs done, which station should they refer back to? ---------CORRECT ANSWER-----------------Any STAR certified station
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 If a liquid fuel leak is detected what should you input into the EIS OR OIS? ---------CORRECT ANSWER-----------------"F" for fail , defective
