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

Solution

1. Preparation

• Gather tools and parts required for the repair.
• Disconnect the battery to prevent electrical shocks.
• Ensure the engine is cool to avoid burns.

2. Replace Spark Plug

• Tools Required: Socket set (with appropriate socket), torque wrench, spark plug gap tool.
• Remove the ignition coil by unbolting and disconnecting the electrical connector.
• Remove the spark plug using a spark plug socket.
• Inspect the old spark plug; if necessary, replace with a new spark plug, ensuring the gap is set to manufacturer specifications.
• Torque the new spark plug to the manufacturer-recommended value (usually around 13-15 lb-ft).
• Reinstall the ignition coil and reconnect the electrical connector.

3. Replace Ignition Coil (if needed)

• Tools Required: Socket set, torque wrench.
• If the ignition coil shows signs of failure, remove it as described above.
• Install the new ignition coil and torque to manufacturer specifications (typically around 8-10 lb-ft).
• Reconnect the electrical connector.

4. Inspect and Clean Fuel Injector

• Tools Required: Fuel injector cleaning kit (if cleaning), basic hand tools.
• Remove the fuel injector from cylinder 1 if cleaning is required or replace if faulty.
• Clean the injector using a cleaning kit or replace it with a new one.
• Reinstall the injector ensuring proper seating and connection.

5. Verify Compression (if misfire persists)

• Tools Required: Compression gauge.
• Remove the spark plug from cylinder 1 again.
• Insert the compression gauge and crank the engine to check compression.
• Compare results with manufacturer specifications; if low, further diagnosis may be needed for internal engine issues.