why is my Acura MDX YF3 (2022-Present) check engine light flashing while driving?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety while working on electrical components.
• Allow the engine to cool if it has been running.

2. Check Ignition System

• Tools Required: Socket set, torque wrench, multimeter.
• Remove the engine cover (if applicable).
• Inspect and remove spark plugs using a socket wrench.
  • Check for signs of wear, such as carbon buildup or damage.
  • Replace spark plugs if necessary.
• Test ignition coils with a multimeter for proper resistance.
  • Replace any faulty coils with new ones.
• Reinstall spark plugs and torque to manufacturer specifications.

3. Inspect Fuel System

• Tools Required: Fuel pressure gauge, socket set.
• Locate the fuel pump access panel (if applicable) and remove it.
• Use a fuel pressure gauge to check the fuel pump's output pressure.
  • If pressure is below specifications, replace the fuel pump.
• Inspect the fuel filter for clogs and replace if necessary.

4. Address Air Intake Issues

• Tools Required: Screwdriver set, vacuum gauge.
• Inspect the air intake hose for cracks or leaks and replace if needed.
• Check the air filter for cleanliness and replace if dirty.
• Reconnect all components securely.

5. Test and Reconnect Battery

• After completing repairs, reconnect the battery.
• Clear any diagnostic trouble codes using the OBD-II scanner.
• Start the engine and allow it to idle to ensure smooth operation.