QUESTIONS AND SOLUTIONS RATED A+
✔✔How often should a gasoline calibration be performed on the EIS machine?
a. every 72 days
b. every 72 hours
c. every 72 test
d. every 72 minutes - ✔✔every 72 hours
✔✔What should the technician do when a vehicle fails a smog check inspection and the
vehicles owner is convinced the technician failed his/her vehicle on purpose?
a. tell him or her to take the vehicle to another smog shop
b. tell him or her you don't care and have them leave
c. tell him or her to make an appointment with the referee
d. tell him or her for 50.00 you can test the vehicle again - ✔✔Tell him or her to make an
appointment with the referee
✔✔A customer living in a basic area of the State of California brings their 1975 Ford
Mustang in a for a smog inspection. What test and what machine should be used?
a. EIS & TSI
b. EIS & ASM
c. OIS
d. no test required - ✔✔no test required
✔✔Diesel vehicles are tested on the EIS machine regardless of what area of the State
the vehicle is registered in, true or false? - ✔✔false, they are tested on the OIS
machine; 1998 and newer
✔✔Carbon monoxide emissions are measured as a percentage of the exhaust and
displayed as CO, true or false? - ✔✔true
✔✔When a smog inspector inspects a 1992 vehicle visually, he or she finds the top of
the exhaust gas recirculation (EGR) valve has been crushed down. How should the
technician enter this into the EIS machine?
a. defective for EGR
b. modified for ECS
c. modified for EGR
d. tampered for ECS - ✔✔modified for EGR
✔✔The vacuum line leading to the exhaust gas recirculation (EGR) valve has been
rubbing on the intake manifold. The hose has a small leak in it as a result. How would
the smog inspector enter this into the EIS machine?
a. defective for EGR
b. modified for EGR
, c. disconnected for EGR
d. fail for EGR - ✔✔defective for EGR
✔✔An evap system reduces HC emissions, true or false? - ✔✔true
✔✔A vehicle fails the OBD II portion of an ASM smog inspection for incomplete
readiness monitors and no repairs have been recently performed. There are no
diagnostic trouble codes stored in the vehicles computers. Which of the following
actions should the smog inspector take next?
a. advise the customer to drive the vehicle through a complete drive cycle
b. advise the customer to have the vehicle diagnosed and possibly repaired
c. advise the customer to see the state referee for a one time waiver
d. advise the customer to have their vehicle retested by someone smarter - ✔✔advise
the customer to have the vehicle diagnosed and possibly repaired
✔✔A vehicle is in for a smog check inspection. It has two tailpipes showing from the
rear of the vehicle. Upon closer inspection you notice the vehicle has a V style engine
with two exhaust manifolds. The exhaust system has two catalytic converters and two
mufflers. It has no blend pipe between the catalytic converters and/or mufflers joining
the two exhausts systems together. How would this vehicle get entered into the EIS
machine?
a. single exhaust
b. modified exhaust
c. defective exhaust
d. dual exhaust - ✔✔dual exhaust
✔✔A vehicle is in for a smog check inspection. The technician notices the vehicle has a
Canadian underhood label. The label makes no reference to California or Federal
certification. How should the smog inspector proceed?
a. test the vehicle as a California vehicle
b. test the vehicle as a federal vehicle
c. check for a BAR label and proceed accordingly - ✔✔Check for a BAR label and
proceed accordingly
✔✔A vehicle is in for a smog inspection in an enhanced area of the state. The vehicle is
a min motorhome and the door jamb shows GVWR as 7960 lbs and a rear axle weight
of 4500 lbs. How should the smog inspector proceed?
a. conduct an ASM test
b. conduct a TSI test
c. refer the customer to another location
d. a vehicle over 7,500 lbs doesn't require certification - ✔✔conduct an ASM test
✔✔During the visual inspection, the smog check inspector notices the purge control
valve has been bypassed. The purge control valve is present but the vacuum line runs