how to fix P0302 code on Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Replace Spark Plug

• Remove the ignition coil for cylinder 2:
  • Unscrew the mounting bolts with a socket set.
  • Gently pull out the ignition coil.
• Extract the spark plug:
  • Use a spark plug socket to remove the old spark plug.
  • Inspect the spark plug for wear and carbon build-up.
• Install a new spark plug:
  • Apply anti-seize compound on the threads (if required).
  • Torque the spark plug to the manufacturer's specifications (typically 13-15 lb-ft).
• Reinstall the ignition coil:
  • Ensure the coil is seated properly and bolt it down to specifications.

3. Replace Ignition Coil (if necessary)

• If testing indicated a faulty ignition coil:
  • Remove the old ignition coil as described above.
  • Install the new ignition coil and reconnect the electrical connector.

4. Inspect and Replace Fuel Injector (if necessary)

• If fuel injector testing showed a malfunction:
  • Disconnect the fuel line and electrical connector from the injector.
  • Remove the fuel injector from the intake manifold.
  • Install the new fuel injector, ensuring proper seating and connection.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use an OBD-II scanner to clear the trouble codes.