how to fix P0302 code in Skoda Octavia NFL (2020-Present)

Learn how to diagnose and fix P0302 cylinder 2 misfire in Skoda Octavia NFL. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to prevent electrical shock.

2. Replace Spark Plug (if faulty)

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil from cylinder 2 by unscrewing the mounting bolts and disconnecting the electrical connector.
• Use a spark plug socket to remove the spark plug from cylinder 2.
• Inspect the old spark plug for wear and replace it with a new one, ensuring the gap is set to the manufacturer’s specifications (typically around 0.7-0.8 mm).
• Reinstall the ignition coil, securing it with bolts and reconnecting the electrical connector.

3. Replace Ignition Coil (if faulty)

• Tools Required: Socket set, torque wrench.
• If the ignition coil was found to be defective, remove it from cylinder 2 as mentioned in Step 2.
• Install the new ignition coil, securing it with the appropriate torque as specified by the manufacturer (usually around 10-12 Nm).
• Reconnect the electrical connector to the ignition coil.

4. Inspect and Replace Fuel Injector (if necessary)

• Tools Required: Fuel injector puller, socket set, torque wrench.
• If the fuel injector is suspected to be faulty, disconnect the fuel line (ensure to relieve fuel pressure first).
• Remove the retaining clips and disconnect the electrical connector from the fuel injector.
• Pull the injector out using a fuel injector puller.
• Install the new fuel injector and ensure it is seated correctly.
• Reconnect the fuel line and electrical connector.