my Volkswagen Golf MK6 (2009-2014) has a check engine light with code P0130

Solution

1. Preparation

• Gather tools and park the vehicle on a flat surface.
• Disconnect the negative battery terminal to ensure safety.
• Tools required: OBD-II scanner, multimeter, socket set, and basic hand tools.

2. Inspect and Replace Oxygen Sensor

1. Locate the Oxygen Sensor:

   • Identify the upstream oxygen sensor (pre-catalytic converter) in the exhaust system.

2. Remove the Oxygen Sensor:

   • Use the appropriate socket to unscrew the oxygen sensor from its mounting.
   • Carefully disconnect the wiring harness from the sensor.

3. Install the New Oxygen Sensor:

   • Apply anti-seize compound to the threads of the new oxygen sensor (if applicable).
   • Screw the new sensor into place and tighten to the manufacturer’s specifications (typically 30-40 Nm).
   • Reconnect the wiring harness securely.

3. Clear Codes and Test

1. Reconnect Battery:

   • Reconnect the negative battery terminal after completing the installation.

2. Clear the Check Engine Light:

   • Use the OBD-II scanner to clear the P0130 code from the PCM.

3. Test Drive:

   • Take the vehicle for a test drive to ensure the check engine light does not reappear and monitor performance.