how to fix P0302 code on my 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 tools and parts required for the repair.
• Disconnect the battery to avoid electrical shorts and ensure safety.

2. Inspect and Replace Spark Plug

• Remove the ignition coil for cylinder 2:
  • Use a socket set to remove the bolts securing the coil.
  • Gently pull the coil out of the spark plug well.
• Remove the spark plug:
  • Use a spark plug socket to unscrew and remove the old spark plug.
• Install a new spark plug:
  • Apply anti-seize compound on the threads of the new spark plug (if required).
  • Torque the new spark plug to manufacturer specifications (typically around 20 Nm).
• Reinstall the ignition coil:
  • Reconnect the coil to the spark plug and secure it with bolts.

3. Inspect and Replace Ignition Coil (if necessary)

• If the spark plug replacement does not resolve the issue, test the ignition coil using a multimeter to check for resistance.
• If faulty, replace the ignition coil:
  • Disconnect the electrical connector and remove the ignition coil as previously described.
  • Install the new ignition coil and reconnect the electrical connector.

4. Inspect Fuel Injector

• Remove the fuel rail if necessary to access the injector for cylinder 2:
  • Depressurize the fuel system by removing the fuel pump fuse and cranking the engine.
  • Disconnect the fuel lines and remove the fuel rail according to the manufacturer's specifications.
• Clean or replace the fuel injector for cylinder 2:
  • If cleaning, follow appropriate cleaning procedures; if replacing, install the new injector and ensure proper seating.
• Reinstall the fuel rail and reconnect all lines.

5. Final Assembly

• Reconnect the battery.
• Ensure all connections are secure and components are properly installed.