how to fix P0302 code in 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 to avoid electrical shorts.

2. Remove Spark Plug

• Tools Required: Spark plug socket, ratchet, extension
• Sub-steps:
  1. Locate the spark plug for cylinder 2 (consult the owner's manual for exact location).
  2. Remove the ignition coil by unscrewing the mounting bolts and gently pulling it out.
  3. Use the spark plug socket to remove the spark plug from cylinder 2.

3. Inspect and Replace Spark Plug

• Tools Required: Spark plug gap tool
• Sub-steps:
  1. Inspect the spark plug for signs of wear, fouling, or damage.
  2. If necessary, replace the spark plug with a new one, ensuring it is gapped according to manufacturer specifications.
  3. Reinstall the spark plug and secure it with the proper torque (typically around 13-15 lb-ft).

4. Check and Replace Ignition Coil

• Tools Required: Torque wrench, multimeter (for testing)
• Sub-steps:
  1. Test the ignition coil using a multimeter to ensure proper resistance values.
  2. If the ignition coil is faulty, remove it and replace it with a new one.
  3. Reinstall the ignition coil and secure it with the correct torque (usually around 8-10 lb-ft).

5. Inspect Fuel Injector

• Tools Required: Noid light or multimeter
• Sub-steps:
  1. Connect a noid light to the fuel injector connector to check for proper signal.
  2. If the noid light does not flash, replace the fuel injector or repair the wiring/connector.
  3. If the injector is faulty, remove it and replace it with a new one, ensuring proper sealing and connections.

6. Reassemble Components

• Tools Required: None additional
• Sub-steps:
  1. Reconnect any electrical connectors that were disconnected.
  2. Reconnect the negative battery terminal.
  3. Start the engine and allow it to reach operating temperature.