what does P0302 code indicate for my Volkswagen Golf MK7 (2015-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Allow the engine to cool before starting work.

2. Inspect and Replace Spark Plug

• Remove the spark plug from cylinder 2 using a spark plug socket.
• Inspect the spark plug for signs of wear or fouling; replace if necessary.
  • Tools Required: Spark plug socket, ratchet, torque wrench.
  • Torque specifications: 22 lb-ft for spark plugs.

3. Check and Replace Ignition Coil

• Disconnect the electrical connector from the ignition coil.
• Remove the ignition coil from cylinder 2.
• Install a new ignition coil and reconnect the electrical connector.
  • Tools Required: Ratchet, extension, socket set.

4. Inspect Fuel Injector

• Disconnect the fuel injector connector and remove the retaining clips.
• Remove the fuel injector from cylinder 2.
• Inspect the injector for clogging or damage; replace if necessary.
• Reinstall the new or cleaned fuel injector and reconnect the electrical connector.
  • Tools Required: Fuel line tool, socket set.

5. Perform Compression Test (if misfire persists)

• Remove spark plugs from all cylinders.
• Insert a compression gauge into cylinder 2.
• Crank the engine to obtain a reading; compare with manufacturer specifications.
• Reinstall spark plugs after testing.

6. Clear DTC and Test Drive

• Use an OBD-II scanner to clear the P0302 code.
• Test drive the vehicle to ensure the issue is resolved.