Accord L4-2156cc 2.2L SOHC (1991)
Heated Oxygen Sensor: Service and Repair
1. Disconnect Oxygen Sensor from harness.
2. Unthread Oxygen Sensor from manifold (USA: DX and LX models, CANADA: LX and EX models), or exhaust pipe (USA: SE and EX models,
CANADA: SE and Ex-R models).
3. Reverse procedure to install, torque oxygen sensor to 33 lb.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.