how to fix P0301 misfire code on my Skoda Octavia NFL (2020-Present)

Solution

1. Preparation

• Gather tools and parts needed.
• Disconnect the negative terminal of the battery.
• Allow the engine to cool if it has been running.

2. Replace Spark Plug

1. Remove the engine cover if applicable.
2. Remove the ignition coil from cylinder 1 by unscrewing the retaining bolts.
3. Disconnect the electrical connector from the ignition coil.
4. Use a spark plug socket to remove the old spark plug from cylinder 1.
5. Inspect the old spark plug for signs of wear (e.g., worn electrodes, oil fouling).
6. Install the new spark plug, ensuring to use the manufacturer-recommended gap.
7. Torque the spark plug to the manufacturer’s specifications (typically around 15 lb-ft).

3. Replace Ignition Coil (if necessary)

1. If the ignition coil is faulty, install a new ignition coil by reversing the removal steps.
2. Ensure it is properly secured and reattach the electrical connector.

4. Inspect and Clean Fuel Injector (if necessary)

1. If the fuel injector is suspected to be faulty, remove it from cylinder 1.
2. Use a fuel injector cleaner to clean the injector or replace it if cleaning does not resolve the issue.
3. Reinstall the cleaned or new fuel injector, ensuring it is seated properly.

5. Reassemble and Reconnect

1. Reconnect the ignition coil and any connectors previously disconnected.
2. Replace the engine cover if removed.
3. Reconnect the negative terminal of the battery.