Prelude L4-2056cc DOHC (1990)
Heated Oxygen Sensor: Service and Repair
1. Disconnect Oxygen Sensor from harness.
2. Unthread Oxygen Sensor from exhaust pipe.
3. Reverse procedure to install.
4. Torque Oxygen Sensor to 33lb.ft. (45 Nm).
Note: Apply anti-seize compound to Oxygen Sensor threads, being careful NOT to get any on the protection tube, prior to installing.
