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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench, dielectric grease.
• Remove the ignition coil from cylinder 1 by unbolting it and disconnecting the electrical connector.
• Remove the spark plug using a spark plug socket.
• Inspect the spark plug for wear and replace if necessary.
• Apply a small amount of dielectric grease to the ignition coil boot before reinstalling.

3. Test and Replace Ignition Coil (if necessary)

• Tools Required: Multimeter.
• Test the ignition coil's resistance using a multimeter to ensure it's within specifications.
• If the coil is faulty, replace it with a new one.
• Reconnect the ignition coil and ensure it is securely fastened.

4. Inspect and Clean Fuel Injector

• Tools Required: Fuel injector cleaning kit or replacement injector, safety glasses.
• Remove the fuel rail to access the fuel injector for cylinder 1.
• Inspect the injector for clogs and clean using an appropriate fuel injector cleaner.
• If cleaning does not resolve the issue, replace the fuel injector.

5. Perform Compression Test

• Tools Required: Compression tester.
• Remove the spark plug from cylinder 1 and insert the compression tester.
• Crank the engine and record the compression reading.
• If the compression is below specifications, further engine diagnostics may be needed.