what does error code P0302 mean for my Volkswagen Golf MK7 (2015-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety.
• Allow the engine to cool down if it has been running.

2. Remove the Spark Plug and Ignition Coil

• Remove the engine cover (if applicable) using a socket set.
• Disconnect the electrical connector from the ignition coil for Cylinder 2.
• Remove the ignition coil by unscrewing the retaining bolts.
• Pull out the spark plug using a spark plug socket.

3. Inspect and Replace Components

• Check the spark plug for wear, carbon buildup, or damage; replace if necessary.
• If the ignition coil shows signs of failure (cracks, corrosion), replace it with a new one.
• Inspect the spark plug wires for damage and replace if needed.

4. Reassemble

• Install the new spark plug into Cylinder 2 and torque it to the manufacturer's specifications (usually around 20-25 Nm).
• Reinstall the ignition coil and secure it with bolts.
• Reconnect the electrical connector to the ignition coil.
• Reattach the engine cover.

5. Clear Codes and Test

• Reconnect the battery and use an OBD-II scanner to clear the P0302 code.
• Start the engine and allow it to reach operating temperature.
• Perform a test drive to ensure the issue is resolved.