how to address a Skoda Octavia NFL (2020-Present) check engine light due to P0301

Solution

1. Preparation

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

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil from cylinder 1 by unscrewing the mounting bolt and gently pulling it out.
• Using the spark plug socket, remove the spark plug from cylinder 1.
• Inspect the spark plug for signs of wear or damage; replace it with a new one if necessary.
• Torque the new spark plug to the manufacturer's specifications (typically around 20 Nm).
• Reinstall the ignition coil and secure it with the mounting bolt.

3. Replace Ignition Coil (if necessary)

• If the ignition coil shows signs of damage or malfunction during inspection, replace it.
• Tools Required: Socket set, torque wrench.
• Remove the faulty ignition coil by unscrewing it from the cylinder head.
• Install the new ignition coil and torque it to the manufacturer's specifications.

4. Inspect and Clean Fuel Injector (if necessary)

• If fuel injector performance is suspected, remove the fuel injector from cylinder 1.
• Tools Required: Fuel injector removal tool, cleaning solvent.
• Inspect the injector for clogs or leaks.
• Clean the injector using an appropriate cleaning solvent and re-test functionality.
• Reinstall the injector ensuring proper sealing.

5. Reassemble and Reconnect Battery

• Reconnect the battery terminals securely.
• Clear any diagnostic trouble codes using the OBD-II scanner.