how to troubleshoot Honda Pilot Third Generation (2016-present) misfire issues?

Solution

1. Preparation

• Gather tools and parts required for repair.
• Disconnect the battery to prevent electrical shorts.
• Ensure the engine is cool before working.

2. Replace Spark Plugs

• Remove engine cover if applicable.
• Use a spark plug socket to carefully remove each spark plug.
• Inspect the old spark plugs for wear, and ensure gapping is correct for new plugs.
• Install new spark plugs, tightening to manufacturer's torque specification (typically around 13-15 ft-lbs).
• Reinstall engine cover.

3. Replace Ignition Coils

• Remove the ignition coil connector by pressing down on the tab and pulling it off.
• Unscrew the ignition coil mounting bolt and remove the coil from the cylinder head.
• Install the new ignition coil, securing it with the mounting bolt.
• Reconnect the ignition coil connector.

4. Clean or Replace Fuel Injectors

• If using a cleaning kit, follow the manufacturer's instructions to clean injectors.
• For replacement, disconnect fuel lines and electrical connectors from the injector rail.
• Remove the injector rail and replace old injectors with new ones, ensuring proper sealing.
• Reconnect fuel lines and electrical connectors, and check for leaks before starting the engine.

5. Fix Air Intake Leaks

• Inspect all hoses and gaskets in the intake system for cracks or wear.
• Replace any damaged hoses or gaskets.
• Ensure all connections are tight and secure.