how to fix P0302 misfire code on 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 flat surface and the engine is off.
• Disconnect the battery negative terminal to prevent electrical shorts.

2. Inspect and Replace Spark Plugs

• Tools Required: Socket set, spark plug socket, torque wrench.
• Remove the ignition coil from cylinder 2 using the socket set.
• Unscrew and remove the spark plug from cylinder 2.
• Inspect the spark plug for fouling or wear; replace if necessary.
• Install the new spark plug, tightening to the manufacturer’s specifications (typically 25 Nm).
• Reinstall the ignition coil.

3. Check and Replace Ignition Coil

• If the spark plug is in good condition, test the ignition coil’s resistance using a multimeter.
• Tools Required: Multimeter.
• If resistance is outside the manufacturer’s specifications, replace the ignition coil with a new one.
• Reconnect the ignition coil and ensure all connectors are secure.

4. Inspect and Clean Fuel Injector

• Disconnect the fuel injector connector and remove the injector from cylinder 2.
• Inspect the injector for any blockages or damage.
• Use a fuel injector cleaning kit to clean the injector or replace it if necessary.
• Reinstall the cleaned or new injector.

5. Perform a Compression Test

• Tools Required: Compression tester.
• Remove the spark plug from cylinder 2 and install the compression tester.
• Crank the engine and read the compression value; compare it with manufacturer specifications.
• If the compression is low, further investigation into piston rings or valves may be needed.