how to fix P0133 code on Volvo XC60 536 (2017-Present) oxygen sensor

Learn how to diagnose and fix P0133 oxygen sensor issues in Volvo XC60 536. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Allow the engine to cool completely before working on it.

2. Remove the Oxygen Sensor

• Locate the upstream O2 sensor (usually near the exhaust manifold).
• Use an O2 sensor socket to unscrew the sensor from the exhaust pipe.
• Carefully disconnect the electrical connector from the sensor.

3. Inspect and Clean

• Inspect the wiring harness and connector for any signs of wear or damage. Repair or replace as needed.
• Clean the mounting threads on the exhaust pipe using a wire brush to ensure a proper seal for the new sensor.

4. Install New Oxygen Sensor

• Apply anti-seize compound to the threads of the new O2 sensor (avoid getting it on the sensor tip).
• Install the new sensor into the exhaust pipe and tighten it to the manufacturer's specifications (typically around 30 Nm).
• Reconnect the electrical connector to the new oxygen sensor.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Start the engine and allow it to reach operating temperature.
• Use the OBD-II scanner to clear the P0133 code from the vehicle's computer.