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
Function overview
1 - Warning light, braking by driver required 2 - Controls in steering wheel
3 - Radar sensor in front grille
Adaptive Cruise Control consists of:
A cruise control system ...
Hoisting the vehicle
If a garage jack is used to lift the vehicle, the
two jack attachments points should be used.
They are specially reinforced to bear the weight
of the vehicle. A garage jack can also be placed
...
Minimum octane
Typical pump octane label
Volvo recommends premium fuel for best performance,
but using 87 octane or above will
not affect engine reliability.
Volvo engines are designed to achieve rated
hor ...
