how to fix P0301 misfire code in Ford Explorer Sixth Generation (2020-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery cable to prevent electrical shorts.
• Allow the engine to cool before starting work.

2. Replace Spark Plug

1. Remove the engine cover (if applicable) using a socket set.
2. Disconnect the ignition coil connector for cylinder 1.
3. Remove the ignition coil by unscrewing it from the cylinder head.
4. Using a spark plug socket, remove the old spark plug from cylinder 1.
5. Install the new spark plug, ensuring to torque it to the manufacturer's specification (typically around 13 lb-ft).
6. Reinstall the ignition coil and reconnect the connector.

3. Replace Ignition Coil (if necessary)

1. If the ignition coil appears damaged, proceed with its replacement.
2. Remove the faulty ignition coil as described above.
3. Install the new ignition coil, ensuring proper alignment and securing it to the cylinder head.
4. Reconnect the ignition coil connector.

4. Inspect/Replace Fuel Injector

1. If the fuel injector is suspected to be faulty, remove it by disconnecting the fuel line and electrical connector.
2. Use a fuel injector removal tool to carefully extract the fuel injector from the intake manifold.
3. Install the new fuel injector, ensuring it is properly seated, and reconnect the fuel line and electrical connector.

5. Clear Error Codes

1. Reconnect the negative battery cable.
2. Use an OBD-II scanner to clear the P0301 code and any other related codes.
3. Start the engine and ensure it runs smoothly without any misfire symptoms.