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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative terminal of the battery to prevent electrical shorts.
• Safety goggles and gloves for personal protection.

2. Replace Spark Plug

• Sub-steps:
  1. Remove the engine cover if necessary using a socket set.
  2. Disconnect the ignition coil connector from the cylinder 2 ignition coil.
  3. Remove the ignition coil by unscrewing the retaining bolts.
  4. Unscrew the spark plug using a spark plug socket and ratchet.
  5. Inspect and replace the spark plug with a new one that meets OEM specifications (typically NGK or Bosch, gap as specified in the owner’s manual).
  6. Reinstall the ignition coil and connect the ignition coil connector.

3. Replace Ignition Coil (if needed)

• Sub-steps:
  1. If the ignition coil shows signs of damage (cracks, corrosion), remove it as described above.
  2. Install the new ignition coil in place of the old coil and secure it with bolts.
  3. Reconnect the ignition coil electrical connector.

4. Inspect and Replace Fuel Injector (if needed)

• Sub-steps:
  1. Remove any necessary components for access (intake manifold may need to be partially removed).
  2. Disconnect the fuel line and fuel injector connector.
  3. Remove the fuel injector from its rail.
  4. Install the new fuel injector and reconnect the fuel line and electrical connector.

5. Reconnect Battery and Clear Codes

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Use the OBD-II scanner to clear the P0302 code and any other related codes.
  3. Start the engine and allow it to idle.