how to fix P0302 code in Honda Accord Eleventh Generation (2023-present)

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Allow the engine to cool down.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the engine cover if necessary.
• Disconnect the ignition coil connector for cylinder 2.
• Remove the ignition coil by unbolting it and pulling it out.
• Remove the spark plug using the spark plug socket.
• Inspect the spark plug for wear, carbon buildup, or damage.
• Replace the spark plug with a new one, ensuring it is gapped correctly.
• Reinstall the ignition coil and reconnect the connector.

3. Check and Replace Fuel Injector

• Tools Required: Fuel injector removal tool, socket set.
• Disconnect the fuel injector connector for cylinder 2.
• Remove the fuel rail to access the injector (follow manufacturer guidelines for fuel rail removal).
• Remove the fuel injector by pulling it out of the rail.
• Inspect the injector for clogs or leaks.
• Replace with a new fuel injector if necessary.
• Reassemble the fuel rail and reconnect the fuel injector connector.

4. Inspect and Replace Ignition Coil

• Inspect the ignition coil for signs of damage or wear.
• Tools Required: Socket set.
• If defective, remove the ignition coil and replace it with a new one.
• Reconnect the ignition coil connector.

5. Reassemble and Test

• Reinstall any components or covers that were removed during the process.
• Reconnect the negative battery terminal.
• Start the engine and allow it to idle to check for any remaining issues.