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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?
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? 2nd gear with the
RPM between 1250 and 2500
How often must you calibrate the BAR-97 EIS? 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? 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? 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? 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? Both technicians