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Exam questions continued
Terms in this set (79)
The Inspector must check for any visible smoke from the ..? (2 places )
Engine cranckase (underhood) and tailpipe
Low pressure fuel EVAP test is required on all ____ and older ___ powered vehicles ???
95 and older ; gasoline
OBD -II is required on most __ and newer gasoline powered vehicles ??
96 and newer
Fuel cap test is required on all __ and older gasoline powered vehicles ??
95 and older
ASM tests, using the dynamometer are required on most gasoline vehicles EXCEPT :
Vehicles equipped with full time AWD or non disengaging traction control, motor homes ,heavy duty vehicles exceeding 5000 lbs (unloaded ) on the driven axle. In these cases a two speed idle test is required to prevent from causing damage to the dynamometer
TSI is required on all gasoline powered vehicles registered in which two areas ?
Basic and change of ownership
The ASM test tests for which gases?
Oxides of NITROGEN OR NOX
What are the steps to preparing a vehicle for an ASM TEST? To load the vehicle onto the DYNO?
1) check tire pressure, 2) restrain the vehicle, 3) and when necessary position the cooling fan
When preparing the vehicle fir the ASM test where do you Insert the analyzer probe ?
Into the tailpipe
ASM TEST: Automatic transmissions should be tested in which gear ?
ASM TEST: manual transmissions should be tested on which gear ?
What are the two loaded mode sequences for the ASM TEST ?
50/15 and 25/25
What is the IDLE TEST? (Visible smoke part of the test)
Observe the tailpipe exhaust plume for ten seconds
What is the crankcase test ? (Part of the visible smoke test )
Observe the engine crankcase for ten seconds
What is the bar snap test ?
Quickly push and release the pedal from the idle position to between 2000 and 3000 rpm then immediately allow the engine to return to idle
Functional tests include :
Do Missing or illegible APLs (aftermarket part labels) constitute in an inspection failure?
In cases where the aftermarket part label is missing or illegible you can do 3 things, they are:
Proceed with the inspection, confirm parts are ARB approved or exempted, may use manufacturers part catalog to confirm exemption
If no RPM is specified for the timing functional check, the idle speed must be within _____ on the base idle speed ???
Can the functional test be performed before the emissions test ?
No it comes after
True or false : CAT converters are generally located just after the muffler to ensure correct temperature ?
Which gases are reduced by the Air injection system ??
HC and CO
During which portion of the smog check inspection should an inspector inspect the fuel injection/ carburetion system ?
Where is the oxygen sensor located ?
Which gases does the PCV system reduce ?
HC and CO
Which is not a reason to fail the MIL or check engine light ?
The light stays on steady for a few seconds after start up w
What is the OBD II Drive cycle used for on a 1996 and newer foreign or domestic vehicle ??
The drive cycle is a particular driving sequence needed to run a vehicles emission monitors to completion (or READY")
How does an inspector determine that the vehicle is compatible with ASM dynamometer test ??
Most emission control application guides have look up tables that provide that information for you
Which MY vehicles are OBD II equipped with a standardized DLC? ( diagnostic link connector)
1996 and newer
There are many locations for the DLC but what's the main location ?
The EIS, service manuals,ECS APPLICATION GUIDES
If the procedures are not on the under hood emissions label the inspector shall refer to ?
ECS applications guide
Which model year vehicles do not require an igntioiom timing test ??
96 and newer - enter N/A on the EIS prompts
If the timing cannot be measured due to a mechanical defect, the inspector shall enter : ?
Where are the ignition timing marks located on the engine ??
True or false. The timing does not matter as long as the spark plug fires at some point before top dead center.
Ignition timing determines when the spark occurs in the ___relative to the ____ position ?
Combustion chamber; crankshaft position
In older model year vehicles, timing is adjusted by rotating which of the following components ??
If there is no engine speed tolerance given for the timing test, at which engine idle speed should the engine timing test be performed ??
The engine idle speed must be within plus or minus 100 RPM of the manufacturers specifications
The After market parts label contains the ARB ——?
Executive order number (EO#)
If the aftermarket parts label is not pro sent does tray constitute in a failure ? Yes or no
No, there are other resources you can refer to in order to figure it out.
A code in the following format is is stamped or affixed to the shell of the converter: pre -2009
T/CA/MC XXXX YYYY
What does the "T" stand for ?
Either "N" for new aftermarket converters, or "U" for certified used converters
What does the "CA" stand for?
Indicates that the converter has been ARB approved
CAT labels manufactured after 2009 can be labeled in different ways: two examples are :
Laser printing or plate I.D
The CARB EO # should be found on an approved aftermarket label it usually starts with ?
A D- XXX Followed by numbers
Not all aftermarket air intake systems require an ARB executive order number. Generallly on what model year vehicles ?
95 and older that don't alter or relocate emission control components don't need an ARB approved executive order number
All OBD II vehicles (95 and older )REQUIRE what on any aftermarket intake systems ?
An ARB approved executive order number is required
The smog check reference guide lists :
Air cleaner modifications and aftermarket air cleaner components that require verification of ARB exemption
If an APL is not present in the vehicle does that constitute in a failure ?
No you could research first to figure out if it really is ARB approved
What is the most reliable source to search for CARB approved after market parts ??
A new, rebuilt, remanufactured, or used engine of the same make, number of cylinders, and engine family as the original engine with the original emission controls reinstalled is the definition for what?
A replacement engine
The replacement engine must match the configuration offered by the _____ for that year ??
How do you define an "ENGINE CHANGE" ?
The installation of an engine that was not available from the manufacturer for the make, model, year, and certification type of the vehicle being inspected
When inspecting a vehicle with an engine change what should you look for first ?
Bar referee label - it serves as the sole source of Emission control system information for these vehicles
If there is no BAR referee label present on a vehicle with an ENGINE CHANGE what should you have the consumer do ?
Have the consumer contact the BAR referee
Bar referee labels are typically affixed where in the vehicle?
Typically affixed to the drivers side door or in some cases under the hood
Inspector A says that any time an engine is replaced it needs to be inspected by the BAR referee. Inspector B says that as long as the engine is of the same make, number of cylinders, and engine family as the original engine with the original emission controls installed, it does not have to be inspected by the BAR referee. Who is right?
Inspector B only
A 1982 Chevrolet Camaro that was originally equipped with a 3.8 liter V-6 engine now has a 5.7 liter V-8 Chevrolet engine. Since the 1982 Camaro came from the factory with either engine, this would be considered an engine replacement. Inspector A says the vehicle would be tested by the inspector as though the 5.7 liter engine was factory installed.
Inspector B says that all required emission control equipment for a 1982 Camaro with a 5.7 liter engine must be tested in accordance with BAR inspection procedures. Who is right ?
Both are correct
There are only two Referee labels that are acceptable to BAR: the current referee label with a bar code for the vehicles VIN number and an older foil type label without a bar code.
Inspector A says if you encounter any other referee label refer the consumer back to the referee for a replacement label.
Inspector b says if you encounter any other label that looks official , enter NONE for the referee label number and perform the smog check inspection . Who is right ?
Where should the inspector refer to to determine whether or not the vehicle required an EGR functional Test ??
Smog check manual or Emission control application guide manual
Gasoline vehicles from 76-95 are equipped with ___ and undergoing a ______
EGR, two speed idle test
Is the EGR system two speed idle test applicable on diesel vehicles ?
No; Not applicable
The ported vacuum controlled EGR system uses a vacuum port above the throttle plate to supply vacuum to the EGR system when the throttle plates are opened. Under hard acceleration, manifold vacuum deceased to almost zero and the EGR Valve closes
True or false ?
All ____ model year and older vehicles undergoing the two speed idle test require a functional EGR test if equipped with EGR
Vehicles with a first generation bar referee label (mad from aluminum with ECS information stamped onto the label) are no longer valid. The inspector must refer the consumer to do what ??
To have the label replaced at the Referee.
The referee offers a HARD TO FIND EMISSION PARTS LOCATOR SERVICE to assist consumers whose vehicles fail smog check inspections because of ______
Missing or modified parts that are difficult to find. The vehicle may be eligible for a limited parts exemption if the referee is unable to locate the part
A one time Repair cost waiver is available after a vehicle has failed a smog check and had $____ or more in emission related repairs at a licensed smog check repair station
$650 or more
Engine changes must conform to the _____?
Year, make, and model of the engine installed in the vehicle.
Do dual tanks require an EVAP test?
If a vehicle has transparent tubing or wiring does that constitute in a pass fail defective or modified ??
Defective ; fail
If a vehicle out of state comes in For a smog check what do you do ?
You may Perform the smog check inspection and issue a certificate if it passes ( but it Must be California or Federal)
Can you smog a vehicle from Canada ?
No you have to refer them to the referee it's not California or federal
What are the steps to loading the vehicle on dyno doe the ASM TEST ?
turn off all accessories, place transmission in neutral or park, verify that the vehicle is safe to test on the dyno, verify that the tires are dry inflated to proper pressure, disable traction control when applicable, certify that it is compatible for operation on a 2WD dynamometer. Place the vehicles drive wheels on the dyno and then retrain the vehicle
Can the functional test be performed prior to the emissions (cat, air injection system, sensors, switches, etc) test portion? True or false
A visible smoke test is required on which kind of vehicles?
Gasoline and diesel
Catalytic converters are located just after the muffler to ensure correct temperature. True or false ?
What gases does the PCV system reduce ?
HC AND CO
Which function is controlled by spark control system ?
1995 and NEWER vehicles are not required to be tested and the inspector enters "no adapter available" in the EIS true or false
Which statement regarding the EVAP system functional test is true ?
The system is pressurized to 14" H2O
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