how to solve the misfire issue in my Volkswagen Golf Seventh Generation (2013-2020)?

Solution

1. Preparation

• Gather all necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.
• Disconnect the battery to ensure safety while working on electrical components.

2. Replace Spark Plugs

• Remove engine cover (if applicable).
• Disconnect ignition coil connectors.
• Unscrew and remove the ignition coils.
• Remove the old spark plugs using a spark plug socket.
• Install new spark plugs, ensuring proper gap specifications are followed.
• Reinstall ignition coils and reconnect connectors.

3. Replace Ignition Coils (if necessary)

• If the ignition coils showed signs of damage during inspection, replace them.
• Remove the faulty ignition coil by unscrewing it from the cylinder head.
• Install the new ignition coil and secure it with screws.

4. Address Fuel Delivery Issues

• If fuel pressure is low, inspect the fuel pump and filter.
• Replace the fuel filter if clogged.
• If the fuel pump is faulty, replace it according to manufacturer specifications:
  • Drain fuel tank (if necessary).
  • Remove retaining ring and disconnect fuel lines.
  • Install new fuel pump, ensuring proper orientation and secure fittings.

5. Reassemble and Test

• Reattach any components removed for access.
• Reconnect the battery.
• Clear any error codes using the OBD-II scanner before starting the engine.