my Ford Mustang S550 (2015-2023) throws a P0301 code what's the issue

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Ensure the vehicle is 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 by unbolting it and disconnecting the electrical connector.
• Use the spark plug socket to remove the old spark plug.
• Inspect the spark plug for damage or wear; replace it with a new spark plug, ensuring it meets manufacturer specifications.
• Torque the new spark plug to the manufacturer's specifications (typically around 13-15 lb-ft).
• Reinstall the ignition coil and reconnect the electrical connector.

3. Replace Ignition Coil (if necessary)

• If the ignition coil was determined to be faulty during diagnostics, proceed with its replacement.
• Tools Required: Socket set, ratchet.
• Remove the faulty ignition coil by unbolting it and disconnecting the electrical connector.
• Install the new ignition coil and secure it with bolts.
• Reconnect the electrical connector.

4. Inspect and Replace Fuel Injector (if necessary)

• If the fuel injector was found to be malfunctioning during diagnostics, replace it.
• Tools Required: Fuel line disconnect tool, socket set.
• Relieve fuel pressure from the fuel rail.
• Disconnect the fuel lines from the injector and remove any retaining clips.
• Remove the old fuel injector and install the new one, ensuring it is seated properly.
• Reconnect the fuel lines and any clips.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0301 code from the vehicle’s computer.