2000-2004 Subaru Outback SUV Driving tips -> Catalytic converter User Manual
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Driving tips -> Catalytic converter for Your Subaru Outback SUV Second Generation (2000-2004)

8-4
D If at any time you suspect that exhaust fumes are entering the
vehicle, have the problem checked and corrected as soon as pos-
sible. If you must drive under these conditions, drive only with all
windows fully open.
D Keep the trunk lid or rear gate 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.
Catalytic converter
WARNING
D Avoid fire hazards. Do not drive or park the vehicle anywhere
near flammable materials (e.g. grass, paper, rags or leaves), be-
cause the catalytic converter operates at very high temperatures.
D Keep everyone and flammable materials away from the ex-
haust pipe while the engine is running. The exhaust gas is very
hot.
HB8029BA
HB3003BA
8
Driving tips
8-5
– CONTINUED –
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:
D Use only unleaded gasoline. Even a small amount of leaded gasoline
will damage the catalytic converter.
D Never start the engine by pushing or pulling the vehicle.
D Avoid racing the engine.
D Never turn off the ignition switch while the vehicle is moving.
D Keep your engine tuned-up. If you feel the engine running rough (mis-
firing, backfiring or incomplete combustion), have your vehicle checked
and repaired by an authorized SUBARU dealer.
D Do not apply undercoating or rust prevention treatment to the heat
shield of catalytic converter and the exhaust system.
Periodic inspections
To keep your vehicle in the best condition at all times, always have the
recommended maintenance services listed in the maintenance schedule
in the “Warranty and Maintenance Booklet” performed at the specified
time or mileage intervals.
Driving in foreign countries
When planning to use your vehicle in another country:
D Confirm the availability of the correct fuel. (Refer to the “Fuel require-
ment” section in chapter 7.)
D Comply with all regulations and requirements of each country.

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