what does code P0302 mean for Volkswagen Golf MK7.5 (2020-Present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative battery terminal for safety.

2. Inspect and Replace Ignition Components

• Tools Required: Socket set, torque wrench, spark plug socket
• Remove the engine cover if necessary.
• Sub-steps:
  1. Remove the ignition coil from cylinder 2. Check for cracks or damage.
  2. Remove the spark plug using a spark plug socket.
  3. Inspect the spark plug for wear; replace if it shows signs of fouling or damage.
  4. Install a new spark plug, torquing it to the manufacturer's specifications (typically around 20 Nm).
  5. Reinstall the ignition coil and ensure it is securely connected.

3. Check and Replace Fuel Injector

• Tools Required: Fuel injector puller (if available), torque wrench
• Sub-steps:
  1. Disconnect the fuel line and electrical connector from the injector.
  2. Remove the fuel injector from the rail; inspect for clogs or damage.
  3. Clean the injector or replace it with a new one if necessary.
  4. Reinstall the fuel injector, ensuring it seats properly.
  5. Reconnect the fuel line and electrical connector.

4. Verify and Reconnect Battery

• Reconnect the negative battery terminal.
• Clear any stored error codes with the OBD-II scanner.