how to fix engine code P0301 in Ford Explorer Sixth Generation (2020-present)

Solution

1. Preparation

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

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket
• Remove the ignition coil from cylinder 1.
  • Unplug the electrical connector.
  • Remove the retaining bolts and carefully lift the coil out.
• Remove the spark plug using a spark plug socket.
  • Inspect the spark plug for signs of wear, such as carbon build-up or cracks.
• If the spark plug is damaged, replace it with a new one.
  • Torque the new spark plug to the manufacturer’s specifications (typically around 12-15 lb-ft).

3. Check and Replace Ignition Coil

• If the spark plug is in good condition, test the ignition coil.
  • Use a multimeter to check for primary and secondary resistance.
• If the ignition coil fails the test, replace it with a new part.
  • Install the new ignition coil and torque the retaining bolts to specifications.

4. Inspect and Clean Fuel Injector

• Remove the fuel injector from cylinder 1.
  • Carefully disconnect the fuel line and electrical connector.
  • Remove any retaining clips and pull the injector out.
• Clean the injector using a fuel injector cleaning kit or replace it if clogged.
• Reinstall the injector, ensuring it seats properly and reconnect all lines.

5. Test Drive and Monitor

• Reconnect the battery and start the engine.
• Clear the P0301 code using the OBD-II scanner and check for any reoccurrences.
• Perform a test drive to ensure normal operation.