what does the P0302 code mean for Ford F-150 14th Generation (2021-2024)

Solution

1. Preparation

• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative terminal of the battery to prevent electrical issues.

2. Inspect and Replace Spark Plug

• Remove the ignition coil from cylinder 2:
  • Tools Required: Socket set, ratchet.
  • Carefully detach the electrical connector from the ignition coil.
  • Remove the mounting bolts and lift the coil out.
• Remove the spark plug from cylinder 2:
  • Use a spark plug socket and ratchet to unscrew the spark plug.
  • Inspect the spark plug for signs of wear or damage (e.g., carbon buildup, electrode wear).
• Install a new spark plug:
  • Use a spark plug gap tool to ensure correct gap (consult specifications).
  • Apply anti-seize compound to the threads (optional).
  • Torque the spark plug to the manufacturer's specifications (usually around 13-15 lb-ft).

3. Test and Replace Ignition Coil

• If the spark plug is okay, test the ignition coil:
  • Use a multimeter to check for resistance according to specifications.
• If faulty, replace the ignition coil:
  • Install the new ignition coil onto the spark plug.
  • Reconnect the electrical connector and secure with bolts.

4. Inspect and Replace Fuel Injector (if necessary)

• If misfire persists, check the fuel injector:
  • Remove the fuel rail if necessary (follow manufacturer’s instructions).
  • Test the fuel injector for proper operation using a multimeter or injector tester.
• Replace with a new fuel injector if found faulty:
  • Ensure to replace any O-rings or seals to prevent leaks.

5. Reassemble and Reconnect Battery

• Reinstall any components removed during the process.
• Reconnect the negative battery terminal.