how to fix P0302 code in Honda Accord 9th Generation (2013-2017)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil from cylinder 2 by unscrewing the bolts.
• Carefully pull out the spark plug using a spark plug socket.
• Inspect the old spark plug for wear, carbon buildup, or damage.
• Install the new spark plug into the cylinder by hand to avoid cross-threading, then torque to the manufacturer’s specification (usually around 13-16 lb-ft).

3. Replace Ignition Coil

• Tools Required: Socket set, torque wrench.
• After removing the spark plug, take out the ignition coil.
• Disconnect the electrical connector from the ignition coil.
• Install the new ignition coil, ensuring it clicks into place and reconnect the electrical connector.
• Torque the ignition coil mounting bolts to the manufacturer’s specification (usually around 7-9 lb-ft).

4. Check and Replace Fuel Injector (if necessary)

• Tools Required: Fuel injector puller, socket set, torque wrench.
• Disconnect the fuel line and electrical connector from the fuel injector.
• Remove the fuel injector from the rail.
• Clean the injector ports and install the new fuel injector.
• Reconnect the fuel line and electrical connector, ensuring a proper fit.

5. Reassemble and Reconnect

• Reinstall the ignition coil and ensure all components are secure.
• Reconnect the negative battery terminal.
• Start the engine and allow it to reach operating temperature.