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

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface, and the engine is cool.
• Disconnect the negative battery terminal.

2. Replace Ignition Components

• Tools Needed: Socket set, torque wrench, spark plug socket, dielectric grease.
• Sub-steps:
  1. Remove the engine cover if applicable.
  2. Disconnect the ignition coil connector for cylinder 1.
  3. Remove the bolt securing the ignition coil and carefully pull the coil out.
  4. Remove the spark plug using the spark plug socket.
  5. Inspect the old spark plug for wear or damage; replace it if necessary.
  6. Install the new spark plug and torque it to the manufacturer’s specifications (typically around 13-15 lb-ft).
  7. Apply dielectric grease to the ignition coil boot and reinsert the ignition coil. Secure it with the bolt and reconnect the electrical connector.

3. Check and Replace Fuel Injector (if necessary)

• Tools Needed: Fuel injector removal tool, torque wrench.
• Sub-steps:
  1. Relieve the fuel system pressure by removing the fuel pump fuse and running the engine until it stalls.
  2. Disconnect the fuel lines from the fuel injector rail.
  3. Remove the bolts securing the fuel rail and carefully lift it off.
  4. Remove the old injector from the rail and replace it with a new one.
  5. Reinstall the fuel rail, ensuring the injectors seat properly, and torque the bolts to specifications.
  6. Reconnect the fuel lines, ensuring there are no leaks.

4. Final Checks

• Reconnect the negative battery terminal.
• Start the engine to check for smooth operation and ensure the check engine light is off.