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:
Introduction
The Dynamic Stability and Traction Control
system (DSTC) consists of a number of functions
designed help reduce wheel spin, counteract
skidding, and to generally help improve
directional stabi ...
Driving Impressions
The gentle but capable XC90 is solid and refined and handles more like a taut
European sedan. It reacts masterfully on twisting roads and functions with
precise control.
Expect a smooth and soli ...
Fuse box in the passenger compartment, behind the plastic cover, driver's
side
This fuse box is located behind the plastic
cover below the steering wheel. When replacing
a blown fuse, be sure to replace it with a
new one of the same color and amperage (written
on the fuse) ...
