how to fix P0302 code on Volkswagen Golf MK7.5 (2020-Present)

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Replace Spark Plug

• Tools Required: Spark plug socket, torque wrench, extension, ratchet.
• Remove the engine cover if necessary.
• Locate the spark plug for cylinder 2.
• Use the spark plug socket to unscrew the old spark plug.
• Inspect the spark plug for signs of fouling or wear.
• Install the new spark plug and torque it to the manufacturer's specification (typically 22 lb-ft).

3. Replace Ignition Coil

• Tools Required: Torx socket set, ratchet.
• Locate the ignition coil for cylinder 2.
• Remove any components obstructing access to the ignition coil.
• Unscrew the bolts securing the ignition coil and disconnect the electrical connector.
• Install the new ignition coil and reconnect the electrical connector.
• Reattach any components removed for access.

4. Check Fuel Injector

• Tools Required: Fuel pressure gauge, injector cleaning kit (if needed).
• Locate the fuel injector for cylinder 2.
• Using a fuel pressure gauge, check the fuel pressure while cranking the engine to ensure it meets specifications.
• If fuel flow is inadequate, consider cleaning or replacing the fuel injector.

5. Reconnect Battery

• Reconnect the negative battery terminal and ensure all connections are secure.

6. Clear Codes and Test Drive

• Use the OBD-II scanner to clear the P0302 code and any other related codes.
• Test drive the vehicle to confirm the repair and ensure the check engine light does not reappear.