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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.
• Allow the engine to cool down before beginning work.

2. Inspect and Replace Spark Plug

• Sub-steps:
  1. Remove the ignition coil cover (if applicable) using a socket set.
  2. Disconnect the electrical connector from the ignition coil for cylinder 1.
  3. Remove the ignition coil using a socket wrench.
  4. Unscrew the spark plug using a spark plug socket.
  5. Inspect the spark plug for wear or carbon buildup; replace if necessary.
  6. Install a new spark plug, torquing to manufacturer specifications (typically around 13-15 lb-ft).
  7. Reinstall the ignition coil and reconnect the electrical connector.

3. Check and Replace Ignition Coil

• Sub-steps:
  1. If the spark plug is in good condition, test the ignition coil with a multimeter to check for proper resistance.
  2. If the coil is faulty, replace it with a new one.
  3. Reinstall the ignition coil and secure it with the appropriate fasteners.

4. Inspect and Replace Fuel Injector

• Sub-steps:
  1. Disconnect the fuel injector connector for cylinder 1.
  2. Remove the fuel rail if necessary to access the injector.
  3. Replace the fuel injector with a new one, ensuring proper seating.
  4. Reconnect the fuel injector connector.

5. Verify Component Functionality

• Sub-steps:
  1. Reconnect the negative battery terminal.
  2. Start the engine and allow it to reach operating temperature.
  3. Use an OBD-II scanner to clear the P0301 code and monitor for misfires.