Outback

2022 Subaru Outback Catalytic Converter User Manual

2022 Subaru Outback Catalytic Converter

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

2.4 L models

The catalytic converter is installed in the exhaust system. It serves as a 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 your vehicle checked and repaired by an authorized SUBARU dealer.
  • Do not apply undercoating or rust prevention treatment to the heat shield of the catalytic converter and the exhaust system.
  • Do not drive with an extremely low fuel level.
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