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 ensure safety.
• Ensure the engine is cool before starting work.

2. Inspect and Replace Spark Plug

1. Remove the engine cover if applicable.
2. Locate the spark plug for cylinder 1 (usually the front left).
3. Use a socket and ratchet to remove the spark plug.
4. Inspect the spark plug for wear or damage; replace if necessary.
5. Install a new spark plug, ensuring proper torque (typically 13-16 lb-ft).
6. Reconnect the ignition coil to the spark plug.

3. Check and Replace Ignition Coil

1. Disconnect the ignition coil connector for cylinder 1.
2. Remove the ignition coil using a socket (usually 8mm or 10mm).
3. Inspect the coil for cracks or corrosion; replace if damaged.
4. Install the new ignition coil and reconnect the electrical connector.

4. Inspect and Clean Fuel Injector

1. Remove the fuel injector connector for cylinder 1.
2. Use a fuel injector removal tool to carefully extract the injector.
3. Inspect the injector for clogs or damage; clean or replace as necessary.
4. Reinstall the cleaned or new fuel injector, ensuring it fits securely.

5. Perform Compression Test (if necessary)

1. Remove the spark plug from cylinder 1.
2. Insert a compression gauge into the spark plug hole.
3. Crank the engine for a few seconds and record the compression reading.
4. Compare the reading with manufacturer specifications; if low, further investigation is required.