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

Solution

1. Preparation

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

2. Inspect and Replace Ignition Components

• Tools Required: Socket set, torque wrench, spark plug socket, ignition coil puller.
• Remove the engine cover if applicable.
• Disconnect the electrical connectors from the ignition coil and remove the coil from cylinder 1 using the socket set.
• Inspect the spark plug for wear or damage. If necessary, remove the spark plug with the spark plug socket.
• Replace the spark plug with a new one that matches the manufacturer's specifications (check gap and part number).
• Install the new ignition coil onto cylinder 1 and reconnect the electrical connector.
• Reinstall the engine cover.

3. Check and Replace Fuel Injector

• Tools Required: Fuel injector puller, torque wrench.
• Remove the intake manifold if necessary to access the fuel injectors.
• Disconnect the electrical connector from the fuel injector for cylinder 1.
• Remove the fuel injector using the fuel injector puller.
• Inspect the injector for clogs or damage; replace it with a new injector if faulty.
• Reinstall the intake manifold following the manufacturer's torque specifications.

4. Perform Compression Test (if necessary)

• Tools Required: Compression tester.
• Remove the spark plug from cylinder 1.
• Insert the compression tester into the spark plug hole.
• Crank the engine a few times to obtain a reading.
• If the compression is low, further diagnosis of internal engine components may be required.