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:
Inflating tires
The tire sealing system can be used to inflate the tires. To do so:
1. Park the car in a safe place.
2. The compressor should be switched off. Ensure that the on/off switch is in
position 0 (the 0 ...
General information
Warning symbols in the instrument panel
As an enhancement to the three-point seat belts, your Volvo is equipped with
a Supplemental Restraint System (SRS). Volvo's SRS consists of seat belt p ...
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