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:
Vehicle Overview
Volvo's flagship sedan was introduced for the 1999 model year and got a
mildly freshened appearance for 2004. The front fascia was reworked, and the
grille surround was re-profiled for a gentler t ...
About this manual
Before you operate your vehicle for the first time, please familiarize yourself
with the information found in the chapters "Your Driving Environment" and "During
Your Trip.&quo ...
Trip computer
A READ (press to acknowledge/confirm/erase a message)
B Thumb wheel (used to scroll among the trip
computer menus)
C RESET
The trip computer stores information gathered
from several systems in ...