Two technicians are discussing the procedures for performing the ignition
timing functional test. Technician A states that if no manufacturer engine
speed tolerance is given, the idle speed should be within 100 RPM of
manufacturers specified idle speed. Technician B states that if the procedures
for timing check are nit found in the under hood label the inspector must refer
to the emission control application guide or the manufacturer service Manual.
Who's correct? Right Ans - Both technicians
A smog technician is conducting an ASM smog test on a vehicle with a
standard transmission (stick). The engine size is 3.6L. What gear should the
technician first try to conduct the test and what RPM should he keep the
engine within while conducting the test? Right Ans - 2nd gear with the RPM
between 1250 and 2500
How often must you calibrate the BAR-97 EIS? Right Ans - Every 72 hours
or when prompted NOT AND PROMPTED OR
The emission inspection system (EIS) shows a dilution error on the screen.
What is the EIS seeing at this time? Right Ans - High O2
The TAC (Thermostatic Air Control) helps heath the incoming air to the
induction system. This control is accomplished by a vacuum operated blend
door in the air cleaner snorkel. When the nine is not running (0° manifold
vacuum), in what position is the blend door? Right Ans - The "Hot air
mode"
Technician A states that Exhaust Gas Recirculation is a post-combustion
emission component. Technician B States that the Exhaust Gas Recirculation is
a pre-combustion emission component. Who is correct? Right Ans -
Technician B
Technician A States that the MIL illuminates when emissions are inferred to
be 1.5 times the federal test procedures standards. Technician B states the
MIL may only be used fo emission failures. Who is correct? Right Ans - Both
technicians
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