how to resolve P0301 code in Honda Pilot Third Generation (2016-present)

Solution

1. Preparation

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

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench
• Remove the ignition coil cover (if applicable).
• Unplug the ignition coil connector and remove the coil by unbolting it.
• Remove the old spark plug using a spark plug socket.
• Install the new spark plug by hand to avoid cross-threading, then torque to manufacturer specifications (typically around 13-16 lb-ft).
• Reinstall the ignition coil and reconnect the connector.

3. Replace Ignition Coil (if necessary)

• Tools Required: Socket set
• If the ignition coil is faulty, remove it as described above.
• Install the new ignition coil and reconnect the electrical connector.
• Reassemble any covers or components removed during the process.

4. Clean or Replace Fuel Injector

• Tools Required: Fuel injector cleaner kit or new injector
• If the fuel injector is not functioning correctly, remove it using the appropriate tools.
• Clean the injector using a specialized cleaner or replace it with a new one.
• Reinstall the injector, ensuring a proper seal.

5. Reassemble and Test

• Reconnect the negative battery terminal.
• Start the engine to check for smooth operation and ensure the check engine light has turned off.