how to fix P0301 code on Ford Explorer Sixth Generation (2020-present)?

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to ensure safety while working with electrical components.

2. Replace Spark Plug

• Remove the ignition coil from cylinder 1:
  • Unplug the electrical connector from the ignition coil.
  • Remove the bolts securing the ignition coil using a socket set.
  • Gently pull the ignition coil out of the spark plug well.
• Remove the spark plug:
  • Use a spark plug socket to carefully unscrew and remove the spark plug from cylinder 1.
• Install the new spark plug:
  • Gap the new spark plug according to manufacturer specifications.
  • Install the new spark plug and tighten it to the recommended torque (typically around 13-15 lb-ft).
• Reinstall the ignition coil:
  • Position the ignition coil back into the spark plug well.
  • Secure it with bolts and reconnect the electrical connector.

3. Replace Ignition Coil (if necessary)

• If the ignition coil is found faulty during diagnostics:
  • Follow the steps to remove the ignition coil as described above.
  • Install the new ignition coil, ensuring it is seated properly over the new spark plug.
  • Reconnect the electrical connector.

4. Clean or Replace Fuel Injector (if necessary)

• Remove the fuel injector from cylinder 1:
  • Relieve fuel system pressure.
  • Disconnect the fuel line and electrical connector from the injector.
  • Remove bolts securing the fuel rail and carefully lift the fuel rail to access the injector.
• Clean or replace the fuel injector:
  • If cleaning, use a suitable injector cleaner and follow the manufacturer's instructions.
  • If replacing, install the new injector and ensure proper seating.
• Reassemble the fuel rail and reconnect all lines.

5. Final Checks

• Reconnect the battery.
• Start the engine and check for any abnormal noises or leaks.
• Ensure that the check engine light is no longer illuminated.