why does my Honda Pilot YF3 (2016-2022) check engine light flash while driving

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to prevent electrical shorts.

2. Inspect and Replace Ignition Components

• Sub-steps:
  • Remove the engine cover if applicable using a socket set.
  • Disconnect the ignition coils and inspect for cracks or carbon tracking.
  • Remove and inspect spark plugs for wear or fouling; replace if necessary (Torque to manufacturer specifications).
  • Reinstall new spark plugs and ignition coils if replaced.

3. Address Vacuum Leaks

• Sub-steps:
  • Inspect all vacuum hoses for cracks or disconnections.
  • Replace any damaged hoses with new OEM parts.
  • Use a smoke machine to detect any hidden leaks if necessary.

4. Check Fuel System

• Sub-steps:
  • Connect a fuel pressure gauge to the fuel rail.
  • Start the engine and check for proper fuel pressure according to manufacturer specifications.
  • Replace the fuel filter if pressure is low, and ensure the fuel pump is functioning correctly.

5. Inspect Exhaust System

• Sub-steps:
  • Visually inspect the exhaust system for any cracks or holes.
  • Use a stethoscope or similar tool to listen for unusual sounds indicating blockages.
  • Replace any damaged components to ensure proper exhaust flow.