how to fix P0302 code on Volkswagen Golf Seventh Generation (2013-2020)

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 Spark Plug

1. Remove the engine cover if applicable (use a socket set).
2. Locate the spark plug for cylinder 2 (refer to vehicle service manual for exact location).
3. Use a spark plug socket to remove the spark plug.
4. Inspect the spark plug for wear, carbon buildup, or damage.
5. If necessary, replace with a new spark plug (use OEM specifications for type and gap).
6. Torque the new spark plug to manufacturer specifications.

3. Check and Replace Ignition Coil

1. Disconnect the electrical connector from the ignition coil.
2. Remove the ignition coil using a socket set.
3. Inspect the ignition coil for cracks or damage.
4. If defective, replace with a new ignition coil (ensure compatibility with the vehicle).
5. Reinstall the ignition coil and reconnect the electrical connector.

4. Inspect and Clean Fuel Injector

1. Remove the fuel rail to gain access to the injector (ensure to relieve fuel pressure first).
2. Inspect the fuel injector for clogs or damage.
3. If necessary, clean the injector using an appropriate fuel injector cleaner.
4. Reinstall the fuel injector and fuel rail, ensuring proper alignment and connection.

5. Final Checks

1. Reconnect the negative battery terminal.
2. Start the engine and let it idle.
3. Check for any leaks around the components serviced.