how to fix Honda Pilot Third Generation (2016-present) engine misfire

Solution

1. Preparation

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

2. Replace Spark Plugs

• Remove the engine cover if applicable.
• Using a spark plug socket, remove the old spark plugs by turning counterclockwise.
• Inspect the old spark plugs for wear or deposits.
• Gap the new spark plugs to the manufacturer’s specifications (typically around 0.043 inches).
• Install the new spark plugs by hand to avoid cross-threading, then tighten to the specified torque (typically 13 lb-ft).
• Reinstall the engine cover.

3. Replace Ignition Coils

• Disconnect the electrical connector from each ignition coil.
• Remove the bolts securing the ignition coils and pull them out.
• Inspect the coil connectors for damage.
• Install new ignition coils, securing them with bolts and reconnecting the electrical connectors.

4. Fuel Injector Cleaning/Replacement

• If injectors are cleanable, use a fuel injector cleaner and follow the instructions for cleaning.
• If replacement is necessary, disconnect the fuel rail and remove the old injectors.
• Install new fuel injectors, ensuring proper seating and connection.

5. Test and Reassemble

• Reconnect the negative battery terminal.
• Start the engine and observe for smooth operation and absence of misfire codes.
• If equipped, reconnect any loose components.