Driving tips/Catalytic converter
exhaust fumes are entering the
vehicle, have the problem
checked and corrected as soon
as possible. If you must drive
under these conditions, drive
only with all windows fully open.
. Keep the trunk lid (Legacy) or
rear gate (Outback) closed while
driving to prevent exhaust gas
from entering the vehicle.
NOTE
Due to the expansion and contraction
of the metals used in the manufacture
of the exhaust system, you may hear a
crackling sound coming from the exhaust system for a short time after the
engine has been shut off. This sound is
normal.
8-3
Catalytic converter
WARNING
. Avoid fire hazards. Do not drive
or park the vehicle anywhere
near flammable materials (e.g.
grass, paper, rags or leaves),
because the catalytic converter
operates at very high temperatures.
. Keep everyone and flammable
materials away from the exhaust
pipe while the engine is running.
The exhaust gas is very hot.
2.5 L models
3.6 L models
The catalytic converter is installed in the
exhaust system. It serves as catalyst to
reduce HC, CO and NOx in exhaust
gases, thus providing cleaner exhaust.
To avoid damage to the catalytic converter:
. Use only unleaded gasoline. Even a
small amount of leaded gasoline will
damage the catalytic converter.
. Never start the engine by pushing or
pulling the vehicle.
. Avoid racing the engine.
. Never turn off the ignition switch while
the vehicle is moving.
. Keep your engine tuned-up. If you feel
the engine running rough (misfiring, backfiring or incomplete combustion), have
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