why does my Volvo XC60 engine hesitate during acceleration?

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery negative terminal to ensure safety during repairs.

2. Replace Spark Plugs

• Remove the engine cover (if applicable) using a socket set.
• Disconnect the ignition coil connectors.
• Unscrew and remove the ignition coils using a socket wrench.
• Remove the old spark plugs using a spark plug socket.
• Install new spark plugs, ensuring they are gapped to manufacturer specifications.
• Reinstall the ignition coils and connect the ignition coil connectors.
• Replace the engine cover.

3. Clean Throttle Body

• Remove the air intake duct connected to the throttle body.
• Use throttle body cleaner and a clean cloth to remove carbon buildup from the throttle body.
• Open the throttle plate manually to clean the interior surface thoroughly.
• Reattach the air intake duct securely.

4. Check and Replace Fuel Filter

• Locate the fuel filter, which is usually near the fuel tank or along the fuel line.
• Relieve fuel pressure by removing the fuel pump fuse and starting the engine until it stalls.
• Disconnect the fuel lines from the filter using a line wrench.
• Remove the old fuel filter and install the new one, ensuring the flow direction is correct.
• Reconnect the fuel lines and replace the fuel pump fuse.

5. Reconnect Battery

• Reconnect the negative battery terminal.
• Start the engine and allow it to idle for a few minutes to check for any irregularities.