what does error code P0302 mean for my Volvo XC60 Second Generation (2018-2024)

Learn how to diagnose and fix P0302 cylinder 2 misfire in Volvo XC60. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Park the vehicle on a level surface and engage the parking brake.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Spark Plug

• Remove the engine cover if necessary.
• Use a socket wrench to remove the spark plug from cylinder 2.
  • Tools Required: Socket set, torque wrench
• Inspect the spark plug for carbon deposits, wear, or damage.
• Replace with a new spark plug that meets OEM specifications.
  • Torque Specification: 15 lb-ft (20 Nm) for spark plug installation.

3. Check and Replace Ignition Coil

• Disconnect the electrical connector from the ignition coil for cylinder 2.
• Remove the ignition coil by unscrewing it from the cylinder head.
• Inspect the coil for cracks or damage.
• Replace with a new ignition coil if necessary (ensure it matches OEM specifications).
• Reconnect the electrical connector.

4. Inspect and Clean Fuel Injector

• Disconnect the fuel injector connector for cylinder 2.
• Remove the fuel injector using the appropriate tool.
• Inspect the injector for clogs or leaks; clean or replace as necessary.
• Reinstall the injector, ensuring it is seated properly.

5. Test and Reassemble

• Reconnect all components and ensure all connections are secure.
• Reconnect the negative battery terminal.
• Start the engine and check for any abnormal sounds or misfires.