2025/2026 SMOG CHECK INSPECTOR EXAM
CA NEWLY MODIFIED EXAM QUESTIONS
WITH ANSWERS
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. --ANSWER--NOX
Which of the following describes the acronym NOX? --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 ? --ANSWER--Both are correct
Motor homes and dual tanks do not require which test ? --ANSWER--
EVAP
Page 1 of 24
,The CAP program offers what two options to assist customers? --
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 ? --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 ..? --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? --ANSWER--ASM TEST
The functional test may be performed prior to the emissions test
portion true or false ? --ANSWER--False
Page 2 of 24
, The inspector enters the test mode of the emissions inspection system
(EIS) analyzer using ?? --ANSWER--His or her inspectors license
information and confidential access code
Which of the following gases are reduced by the Air injection system
? --ANSWER--HC and CO
Which of the following is NOT considered a sub system of the
computerized emission control system ? --ANSWER--Antilock brake
module
What gases does the PCV system reduce ? --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 ??? --ANSWER--
False
During which portion of the smog check inspection should an
inspector inspect the fuel injection/ carburetor system ?? --ANSWER-
-Visual
Page 3 of 24
CA NEWLY MODIFIED EXAM QUESTIONS
WITH ANSWERS
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. --ANSWER--NOX
Which of the following describes the acronym NOX? --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 ? --ANSWER--Both are correct
Motor homes and dual tanks do not require which test ? --ANSWER--
EVAP
Page 1 of 24
,The CAP program offers what two options to assist customers? --
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 ? --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 ..? --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? --ANSWER--ASM TEST
The functional test may be performed prior to the emissions test
portion true or false ? --ANSWER--False
Page 2 of 24
, The inspector enters the test mode of the emissions inspection system
(EIS) analyzer using ?? --ANSWER--His or her inspectors license
information and confidential access code
Which of the following gases are reduced by the Air injection system
? --ANSWER--HC and CO
Which of the following is NOT considered a sub system of the
computerized emission control system ? --ANSWER--Antilock brake
module
What gases does the PCV system reduce ? --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 ??? --ANSWER--
False
During which portion of the smog check inspection should an
inspector inspect the fuel injection/ carburetor system ?? --ANSWER-
-Visual
Page 3 of 24
