my Ford F-150 14th Generation (2021-2024) check engine light is flashing what does it mean

Solution

1. Preparation

• Gather tools and parts required for repairs.
• Disconnect the negative terminal of the battery to ensure safety.
• Allow the engine to cool before proceeding.

2. Address Faulty Spark Plugs/Ignition Coils

• Sub-steps:
  1. Remove the engine cover if applicable.
  2. Disconnect the electrical connectors from the ignition coils.
  3. Remove the bolts securing the ignition coils and lift them out.
  4. Inspect spark plugs for wear and replace if necessary.
  5. Install new spark plugs with the correct torque (typically 13-15 ft-lbs).
  6. Reinstall ignition coils and reconnect electrical connectors.

3. Check and Replace Fuel System Components

• Sub-steps:
  1. If fuel pressure is low, replace the fuel filter and inspect the fuel pump.
  2. Disconnect the fuel lines and remove the fuel filter (take precautions for fuel spillage).
  3. Install the new fuel filter, ensuring proper orientation.
  4. Reconnect the fuel lines and check for leaks once the system is re-pressurized.

4. Inspect Exhaust System

• Sub-steps:
  1. Examine the exhaust system for any visible damage or leaks.
  2. If necessary, replace any damaged exhaust components (e.g., catalytic converter or muffler).
  3. Ensure that all exhaust connections are secure.