Review (Part 1) Questions and Verified
Answers {Grade A} 100 % Correct
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.
, Smog Check Inspector Training Final
Review (Part 1) Questions and Verified
Answers {Grade A} 100 % Correct
OIS inspections are required on all diesel vehicles ________. - correct answer 1998 and
newer
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