IMPREZA U.S.A. (E) A1820BE–A
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Starting and operating
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mally, a portion of the basic emission test consists of an emission
inspector inserting an analyzer probe into the exhaust pipe of an idling
vehicle for a short period of time. States with more severe air pollution
problems are required to adopt an enhanced vehicle emission test. This
test simulates actual driving conditions on a dynamometer and permits
more accurate measurement of tailpipe emitted pollution than the basic
emission test.
The U.S. Environmental Protection Agency (EPA) and states using two-
wheel dynamometers in their emission testing programs have
EXEMPTED SUBARU AWD vehicles from the portion of the testing pro-
gram that involves a two-wheel dynamometer.
There are some states that use four-wheel dynamometers in their testing
programs. When properly used, that equipment will not damage an AWD
SUBARU vehicle.
Under no circumstances should the rear wheels be jacked off the
ground, nor should the driveshaft be disconnected for state emission
testing.
Engine exhaust gas (Carbon monoxide)
WARNING
D Never inhale engine exhaust gas. Engine exhaust gas contains
carbon monoxide, a colorless and odorless gas which is danger-
ous, or even lethal, if inhaled.
D Always properly maintain the engine exhaust system to pre-
vent engine exhaust gas from entering the vehicle.
D Never run the engine in a closed space, such as a garage, ex-
cept for the brief time needed to drive the vehicle in or out of it.
D Avoid remaining in a parked vehicle for a lengthy time while
the engine is running. If that is unavoidable, then use the ventila-
tion fan to force fresh air into the vehicle.
D Always keep the front ventilator inlet grille free from snow,
leaves or other obstructions to ensure that the ventilation system
always works properly.
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