Where are the oxygen sensors on a Volvo s60?

On a Volvo S60, the oxygen sensors are typically located in two primary areas: upstream (pre-catalytic converter) and downstream (post-catalytic converter) of the catalytic converter. The upstream sensor is usually found in the exhaust manifold or just after the exhaust pipe, while the downstream sensor is located further along the exhaust system, after the catalytic converter. Accessing these sensors may require lifting the vehicle for better visibility and reach. Always consult the vehicle's service manual for specific locations and procedures.