C70 Coupe L5-2.3L Turbo VIN 53 B5234T3 (2001)
Oxygen Sensor: Locations
Oxygen Sensor Location
Bank 1, Sensor 1 (Heated Oxygen Sensor, Front) is located before the catalytic converter.
Bank 1, Sensor 2 (Heated Oxygen Sensor, Rear) is located after the catalytic converter.