XC90 AWD V8-4.4L VIN 85 B8444S (2005)
Oxygen Sensor: Application and ID
Oxygen Sensor and Catalyst Configuration Example
V6/V8/V12 Engine W/2 Exhaust Banks & 4 Catalysts
V6/V8/V12 Engine W/2 Exhaust Banks & 3 Catalysts
L4 Engine W/1 Exhaust Banks & 2 Catalysts