how to fix the P0301 code in my Ford Mustang S650 (2024-Present)

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Replace Spark Plug

• Tools Required: Spark plug socket, ratchet, torque wrench
• Remove the ignition coil from cylinder 1:
  1. Disconnect the electrical connector from the ignition coil.
  2. Unbolt the ignition coil using the socket and ratchet.
• Remove the spark plug:
  1. Use the spark plug socket to unscrew and remove the spark plug from cylinder 1.
• Install the new spark plug:
  1. Apply a small amount of anti-seize compound to the threads of the new spark plug.
  2. Hand-tighten the spark plug into the cylinder head, then use the torque wrench to tighten it to the manufacturer's specifications (typically around 13-15 lb-ft).
• Reinstall the ignition coil:
  1. Reattach the ignition coil, securing it with the bolt and reconnecting the electrical connector.

3. Replace Ignition Coil (if necessary)

• Tools Required: Socket set
• If the ignition coil was found defective during testing, replace it:
  1. Remove the ignition coil from cylinder 1 (as described in the previous step).
  2. Install the new ignition coil by reversing the removal process.

4. Check and Replace Fuel Injector (if necessary)

• Tools Required: Fuel injector removal tool (if applicable)
• If the fuel injector is faulty:
  1. Disconnect the fuel line and electrical connector from the injector.
  2. Remove the injector from the fuel rail.
  3. Install the new fuel injector and reconnect the fuel line and electrical connector.