Starting and operating
State emission testing (U.S.
only)
At state inspection time, remember to
tell your inspection or service station in
advance not to place your SUBARU
AWD vehicle on a two-wheel dynamometer. Otherwise, serious transmission damage will result.
Some states have started using dynamometers in their state inspection programs
in order to meet their obligation under
federal law to implement stricter vehicle
emission standards to reduce air pollution
from vehicles. A dynamometer is a treadmill or roller-like testing device that allows
your vehicle’s wheels to turn while the
vehicle remains in one place. Depending
on the severity of a state’s air pollution
problems, the states must adopt either a
“basic” or “enhanced” vehicle emission
inspection test. Normally, 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.
7-7
CAUTION
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 program 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 a SUBARU AWD vehicle.
Under no circumstances should the rear
wheels be jacked off the ground, nor
should the driveshaft be disconnected for
state emission testing.
WARNING
Testing of an All-Wheel Drive model
must NEVER be perfor