Volvo XC60: Heated oxygen sensors - Emission controls - Refueling - During your trip - Volvo XC60 Owner's ManualVolvo XC60: Heated oxygen sensors

The heated oxygen sensors monitor the oxygen content of the exhaust gases. Readings are fed into a control module that continuously monitors engine functions and controls fuel injection. The ratio of fuel to air into the engine is continuously adjusted for efficient combustion to help reduce harmful emissions.

    Three-way catalytic converter
    • Keep your engine properly tuned. Certain engine malfunctions, particularly involving the electrical, fuel or distributor ignition systems, may cause unusually high threeway catalytic conve ...

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