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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative terminal of the battery for safety.
• Allow the engine to cool down before starting work.

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil from cylinder 1 by unbolting it and disconnecting the electrical connector.
• Remove the old spark plug using a spark plug socket. Inspect for wear or damage.
• Install the new spark plug, ensuring it is gapped correctly (refer to manufacturer specifications).
• Torque the spark plug to the manufacturer's specified value (usually around 15-20 lb-ft).

3. Replace Ignition Coil

• Disconnect the electrical connector from the ignition coil.
• Remove the ignition coil from the cylinder head.
• Install the new ignition coil and reconnect the electrical connector.
• Ensure it is seated properly and secured.

4. Inspect and Clean Fuel Injector

• Tools Required: Fuel injector removal tool (if needed), cleaning solvent.
• Disconnect the fuel injector connector.
• Remove the fuel injector from the rail (if necessary, relieve fuel pressure first).
• Inspect the injector for clogs; clean with appropriate solvent if needed.
• Reinstall the injector, ensuring proper seating and connection.

5. Verify Compression (if applicable)

• Tools Required: Compression gauge.
• Remove the spark plug and connect the compression gauge to the spark plug hole.
• Crank the engine and record the compression reading.
• Compare the reading to the manufacturer specifications; if low, further mechanical inspection may be required.