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

Solution

1. Preparation

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

2. Remove Ignition Components

• Remove the engine cover if applicable.
• Use a socket set to remove the bolts securing the ignition coil on cylinder 1.
• Carefully disconnect the ignition coil connector.
• Pull the ignition coil straight out of the cylinder head.

3. Replace Spark Plug

• Use a spark plug socket to remove the spark plug from cylinder 1.
• Inspect the old spark plug for wear or damage.
• Apply anti-seize compound to the threads of the new spark plug.
• Install the new spark plug to the manufacturer's specified torque (typically around 13-15 lb-ft).

4. Inspect and Replace Ignition Coil

• Check the ignition coil for cracks or carbon tracking.
• If damaged, replace with a new ignition coil.
• Reinstall the ignition coil by pushing it into place and securing it with bolts.

5. Test Fuel Injector

• Ensure correct operation of the fuel injector for cylinder 1.
• If necessary, replace the fuel injector using the appropriate tools and procedures, ensuring all connections are secure.

6. Reassemble and Reconnect

• Reconnect any components removed during the process.
• Reattach the engine cover if it was removed.
• Reconnect the negative battery terminal.