See also:

Three-way catalytic converter
Keep your engine properly tuned. Certain engine malfunctions, particularly involving the electrical, fuel or distributor ignition systems, may cause unusually high threeway catalytic converte ...

Cleaning the sensors
Location of the front sensors Location of the rear sensors The sensors must be cleaned regularly to ensure that they work properly. Clean them with water and a suitable car washing detergent ...

Interior
Volvo's largest sedan is categorized as a midsize passenger car, but its spacious interior makes some other luxury sedans look small by comparison. Even with a sunroof, headroom is ample for tall ...