350Z V6-3.5L (VQ35) (2003)
Oxygen Sensor: Mechanical Specifications
Tightening torque
Heated oxygen sensor 1.................................................................................................................................. 40 - 50 Nm (4.1 - 5.1 kgf-cm, 30 - 36 ft. lbs.)
Heated oxygen sensor 2.................................................................................................................................. 40 - 50 Nm (4.1 - 5.1 kgf-cm, 30 - 36 ft. lbs.)