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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety while working on electrical components.

2. Remove Ignition Components

• Tools Required: Socket set, torque wrench.
• Sub-steps:
  1. Remove the engine cover if present.
  2. Disconnect the electrical connector from the ignition coil on cylinder 2.
  3. Remove the bolt securing the ignition coil and carefully pull the coil out.
  4. Remove the spark plug using a spark plug socket and ratchet.

3. Inspect and Replace Components

• Tools Required: Compression gauge, vacuum gauge.
• Sub-steps:
  1. Inspect the spark plug for signs of wear, cracking, or carbon buildup. Replace if necessary with OEM specifications.
  2. Check the ignition coil for damage or corrosion. Replace if faulty.
  3. Perform a compression test on cylinder 2. If compression is below specifications, further engine diagnosis may be required.
  4. Inspect the fuel injector for cylinder 2. If it is clogged, clean or replace it as needed.
  5. Check for vacuum leaks using a vacuum gauge; repair any leaks found.

4. Reassemble and Test

• Tools Required: Torque wrench.
• Sub-steps:
  1. Reinstall the spark plug in cylinder 2 and torque it to the manufacturer's specification (usually around 22 ft-lbs).
  2. Reinstall the ignition coil and secure it with the bolt. Reconnect the electrical connector.
  3. Replace the engine cover if removed.
  4. Reconnect the vehicle battery.