how to fix P0302 misfire code on my Volkswagen Golf Eighth Generation (2020-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the engine is cool and disconnect the battery to prevent electrical shock.

2. Replace Spark Plug

• Remove the engine cover (if applicable).
• Using a spark plug socket, remove the spark plug from cylinder 2.
• Inspect the spark plug for wear; replace if necessary.
• Install the new spark plug, tightening to the manufacturer's specified torque (typically 15-30 Nm).
• Reinstall the engine cover.

3. Replace Ignition Coil

• Disconnect the electrical connector from the ignition coil on cylinder 2.
• Remove the bolts securing the ignition coil and pull it out.
• Install the new ignition coil, ensuring it seats correctly.
• Reconnect the electrical connector.

4. Inspect/Replace Fuel Injector (if needed)

• Disconnect the fuel injector connector and fuel line carefully.
• Remove the fuel injector retaining clips and pull the injector out of the rail.
• Inspect the injector for blockage; replace if defective.
• Reinstall the new injector, ensuring it is seated properly, and reconnect the fuel line and electrical connector.

5. Reconnect Battery and Clear Codes

• Reconnect the battery terminals.
• Use the OBD-II scanner to clear the P0302 code from the ECU.