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

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to prevent electrical shorts.

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the ignition coil for cylinder 1 by unscrewing the retaining bolts and disconnecting the electrical connector.
• Remove the old spark plug with a spark plug socket.
• Check the spark plug gap and replace it with a new spark plug if worn or damaged.
• Reinstall the spark plug and torque it to the manufacturer’s specifications (typically around 13-15 lb-ft).

3. Inspect and Replace Ignition Coil

• Tools Required: Socket set, multimeter (to test the coil).
• Test the ignition coil for cylinder 1 with a multimeter; check for proper resistance according to specifications.
• If the coil is faulty, remove it and replace it with a new ignition coil.
• Reconnect the ignition coil electrical connector and secure it in place.

4. Check and Replace Fuel Injector (if necessary)

• Tools Required: Fuel injector removal tool, safety glasses, shop towel.
• Remove the fuel rail to access the fuel injectors.
• Inspect the fuel injector for cylinder 1 for clogs or malfunctions. Use a noid light to check for proper operation.
• If the injector is faulty, replace it with a new one, ensuring proper sealing and connection.

5. Final Reassembly

• Reattach the fuel rail, ensuring all connections are secure and no leaks are present.
• Reconnect the battery.
• Clear the error codes using the OBD-II scanner.