what causes my Volkswagen Golf Eighth Generation (2020-present) engine to hesitate when accelerating

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety.
• Ensure the engine is cool before beginning work.

2. Inspect and Clean Throttle Body

• Tools Required: Socket set, throttle body cleaner, soft brush.
• Remove the air intake duct leading to the throttle body.
• Use throttle body cleaner and a soft brush to clean any carbon deposits from the throttle body.
• Reinstall the air intake duct securely.

3. Check and Replace Spark Plugs

• Tools Required: Spark plug socket, torque wrench.
• Remove the ignition coils by unscrewing the retaining screws and pulling them out.
• Use a spark plug socket to remove old spark plugs.
• Inspect the old spark plugs for wear; replace with new plugs if necessary.
• Torque the new spark plugs to the manufacturer's specified value (typically around 22 lb-ft).
• Reinstall the ignition coils.

4. Inspect and Replace Fuel Filter (if applicable)

• Tools Required: Fuel line disconnect tool, container for fuel drips.
• Locate the fuel filter; if it’s a serviceable part, disconnect the fuel lines using the fuel line disconnect tool.
• Replace the old fuel filter with a new one, ensuring proper orientation.
• Reconnect the fuel lines securely.

5. Check and Replace Mass Airflow Sensor (if needed)

• Tools Required: Socket set, MAF sensor cleaner (if cleaning).
• Disconnect the MAF sensor electrical connector and unscrew it from the air intake.
• Inspect the MAF sensor; if it is dirty, clean it with MAF sensor cleaner or replace it if necessary.
• Reinstall the MAF sensor, ensuring a secure fit.