Honda Civic 11th Generation (2022-Present) P0133 code what does it mean and how to fix it

Learn how to diagnose and fix P0133 oxygen sensor performance issue in Honda Civic 11th Generation. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to prevent any electrical shorts.
• Allow the engine to cool before proceeding.

2. Inspect and Replace the Oxygen Sensor

• Tools Required: O2 sensor socket, wrench set, multimeter, dielectric grease.
• Sub-steps:
  1. Locate the upstream oxygen sensor on the exhaust manifold.
  2. Disconnect the electrical connector from the oxygen sensor.
  3. Using the O2 sensor socket and ratchet, carefully remove the oxygen sensor from the exhaust manifold. Take care not to damage the threads.
  4. Inspect the threads in the manifold for any debris or damage.
  5. Apply a small amount of anti-seize compound to the threads of the new oxygen sensor (if recommended by the manufacturer).
  6. Install the new oxygen sensor and tighten it to the manufacturer’s specified torque (typically around 30-40 lb-ft).
  7. Reconnect the electrical connector securely.

3. Reset the Engine Control Module (ECM)

• Sub-steps:
  1. Reconnect the battery.
  2. Use the OBD-II scanner to clear the P0133 code from the ECM.
  3. Start the engine and allow it to reach operating temperature.