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

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the vehicle battery to ensure safety.
• Allow the engine to cool before starting any work.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench
• Remove the ignition coil from cylinder 1:
  1. Disconnect the electrical connector from the ignition coil.
  2. Remove the retaining bolts and pull the coil straight out.
• Remove the spark plug using a spark plug socket:
  1. Inspect the spark plug for signs of wear, carbon buildup, or damage.
  2. Replace with a new spark plug that meets OEM specifications (check gap).
• Reinstall the ignition coil and reconnect the electrical connector.

3. Test and Replace Ignition Coil (if necessary)

• Tools Required: Multimeter (optional for testing)
• If the spark plug is fine, test the ignition coil:
  1. Use a multimeter to check the coil’s resistance according to manufacturer specifications.
  2. If out of range, replace the ignition coil with a new one.
• Reinstall the new ignition coil onto cylinder 1.

4. Inspect and Clean Fuel Injector

• Tools Required: Fuel injector cleaning kit or replacement injectors
• Check the fuel injector for cylinder 1:
  1. Disconnect the electrical connector and fuel line.
  2. Remove the injector from the intake manifold.
  3. Clean the injector using a fuel injector cleaning kit or replace with an OEM injector.
• Reinstall the injector, reconnect the fuel line and electrical connector.

5. Reconnect Battery and Clear Codes

• Reconnect the vehicle battery.
• Use the OBD-II scanner to clear the P0301 code and any other stored codes.