how to fix P0301 misfire code on my Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Ensure the engine is cool before starting work.

2. Replace Spark Plug

• Remove the ignition coil from cylinder 1:
  • Disconnect the electrical connector.
  • Remove the mounting bolts using a socket set.
• Remove the spark plug:
  • Use a spark plug socket to unscrew the old spark plug.
  • Inspect the spark plug for wear/damage.
• Install the new spark plug:
  • Apply anti-seize compound to the threads (if necessary).
  • Torque the new spark plug to the manufacturer’s specifications (typically around 13 lb-ft).
• Reinstall the ignition coil and reconnect the electrical connector.

3. Replace Ignition Coil (if necessary)

• If the ignition coil shows signs of failure, replace it:
  • Remove the old ignition coil from cylinder 1.
  • Install the new ignition coil, ensuring it is seated properly.
  • Reconnect the electrical connector.

4. Clean or Replace Fuel Injector (if necessary)

• If the fuel injector is suspected of being faulty, either clean it using an injector cleaning kit or replace it:
  • Disconnect the fuel line and electrical connector.
  • Remove the fuel injector retaining clips and pull out the injector.
  • Install the new or cleaned fuel injector, ensuring a proper seal and secure clips.

5. Reconnect Battery

• Reconnect the negative battery terminal.

Tools Required:

• OBD-II scanner
• Socket set
• Torque wrench
• Spark plug socket
• Fuel injector cleaning kit (if applicable)

Parts Required:

• Spark plug for cylinder 1
• Ignition coil (if needed)
• Fuel injector (if needed)

Estimated Repair Time: 1-3 hours

Safety Warnings:

• Disconnect the battery before working on electrical components.
• Allow the engine to cool before performing any repairs to avoid burns.