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 convert ...

Safety
Volvo's commitment to safety is as old as the company itself. As Assar Gabrielsson, one of the founders of Volvo, declared: "Cars are driven by people. The guiding principle behind everything ...

Vehicle Overview
Volvo's smallest sedan, the compact S40, comes in 2.4i and T5 trim levels, the latter offered in all- as well as front-wheel drive. A few years past a full redesign, the S40 and its V50 wagon sist ...