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:
Function
Park assist button
The system is activated automatically when the
vehicle is started. The indicator light in the button
in the center console illuminates when the
system is on.
• The front p ...
Under the Hood
The XC70's turbocharged 2.5-liter inline-five-cylinder delivers 208
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Overview
The all-new Volvo S60 makes its international debut at the Geneva Motor Show
on Tuesday 2 March 2010. It launches into one of the automotive world's most
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