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:
It's the little things that count
Storage Compartments (Puny, Fair, Ample, Galore): Fair
Cargo/Trunk Space (Puny, Fair, Ample, Galore): Galore ...
Volvo's recommendations
Why does Volvo believe that no child should sit
in the front seat of a car? It's quite simple really.
A front airbag is a very powerful device
designed, by law, to help protect an adult.
Becau ...
Introduction
All bulb specifications are listed on page 328.
The following bulbs should only be replaced by
a trained and qualified Volvo service technician:
• Dome lighting, reading lights
• Glove compartmen ...
