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:
Security
Volvo's passion for safety also extends to issues of personal security. The
Volvo XC90 is fitted as standard with a wide range of features designed to
protect occupants from burglary, theft and as ...
Crash mode
Driving after a collision
If the vehicle has been involved in a collision, the text Safety mode See manual
may appear in the information display. This indicates that the vehicle's functionali ...
How do states use OBD II for emission inspections?
Many states connect a computer directly to a
vehicle's OBD II system. The inspector can
then read "faults." In some states, this type of
inspection has replaced the tailpipe emission
...