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.
See also:
Cleaning the BLIS camera lenses
In order to function optimally, the BLIS camera lenses must be kept clean. They
can be wiped clean with a soft cloth or wet sponge.
CAUTION
Clean the lenses carefully to avoid scratching.
The ...
Disposing of old batteries
Worn out batteries should be disposed of in an
environmentally responsible manner. ...
Behind the wheel
The base XC60 has a 240-horsepower, 3.2-liter six-cylinder engine. I drove
the more powerful T6 version, which was a little bit of a bummer. I appreciated
the solid feel and the 325-hp, turbocharg ...
