how to fix the P0302 code for cylinder 2 misfire in my Volvo XC60 First Generation (2008-2017)

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 all necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shock.
• Allow the engine to cool before starting work.

2. Replace Spark Plug

• Remove engine cover if applicable.
• Locate and remove the spark plug wire or ignition coil from cylinder 2.
• Use a spark plug socket to remove the spark plug.
• Inspect the old spark plug for wear and deposits; replace if necessary.
• Install the new spark plug and torque it to 13 lb-ft (18 Nm).

3. Inspect and Replace Ignition Coil

• Remove the ignition coil harness connector for cylinder 2.
• Remove the mounting bolts for the ignition coil using a socket.
• Pull out the ignition coil carefully; inspect for signs of damage or wear.
• Install the new ignition coil and secure it with the mounting bolts.
• Reconnect the ignition coil harness.

4. Check and Replace Fuel Injector

• Locate the fuel injector for cylinder 2.
• Disconnect the fuel injector connector.
• Remove any retaining clips or bolts securing the injector.
• Carefully pull out the injector and inspect for clogging or damage.
• Replace with a new fuel injector if necessary; ensure to lubricate O-rings before installation.
• Reinstall the injector and reconnect the connector.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0302 code from the engine computer.