Heated oxygen sensors

Heated oxygen sensors  - Emission controls - Refueling - During your trip - Volvo XC60 Owners Manual - Volvo XC60

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.

    See also:

    Location of taillight bulbs
    Brake lights (LEDs) Brake light Backup light Turn signals Rear fog light (driver’s side only) NOTE If an error message remains in the display after a faulty bulb has been replace ...

    Function check
    All indicator and warning symbols light up in ignition mode II or when the engine is started. When the engine has started, all the symbols should go out except the parking brake symbol, which o ...

    Faults in the system
    If the yellow warning symbol illuminates and PARK ASSIST SERVICE REQUIRED is shown on the information display, this indicates that the system is not functioning properly and has been disengage ...