how to fix P0302 code in Ford F-150 Fourteenth Generation (2021-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery cable to ensure safety while working on electrical components.

2. Replace Spark Plug and Ignition Coil (if necessary)

• Tools Required: Socket set, torque wrench, spark plug socket
• Remove the engine cover if applicable.
• Disconnect the electrical connector from the ignition coil on cylinder 2.
• Remove the ignition coil bolt using a socket and ratchet.
• Pull the ignition coil out of the spark plug well.
• Remove the spark plug using a spark plug socket.
• Inspect the old spark plug for damage; replace if worn or fouled.
• Install the new spark plug by hand to avoid cross-threading, then torque to manufacturer specification (usually around 13-15 lb-ft).
• Reinstall the ignition coil, securing it with the bolt and reconnecting the electrical connector.

3. Replace Fuel Injector (if necessary)

• Tools Required: Injector puller tool, socket set, torque wrench
• Release the fuel system pressure by removing the fuel pump fuse and running the engine until it stalls.
• Disconnect the electrical connector and fuel line from the fuel injector.
• Remove any retaining clips and carefully pull the injector from the intake manifold.
• Install the new fuel injector, ensuring it seats properly.
• Reconnect the fuel line and electrical connector, ensuring all connections are secure.

4. Reconnect Battery and Clear Codes

• Reconnect the negative battery cable.
• Use the OBD-II scanner to clear the P0302 code and any other codes present.