how to resolve check engine light for P0301 on my Ford F-150 13th Generation (2015-2020)

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the negative battery terminal to ensure safety.
• Allow the engine to cool if it has been running.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench.
• Remove the engine cover (if applicable) to access the spark plugs.
• Use a socket to remove the spark plug from cylinder 1.
• Inspect the spark plug for wear or damage; replace if necessary.
• Torque the new spark plug to the manufacturer's specifications (typically around 13-15 lb-ft).

3. Inspect and Replace Ignition Coil

• Tools Required: Socket set, torque wrench.
• Disconnect the wiring harness from the ignition coil on cylinder 1.
• Remove the ignition coil using a socket set.
• Inspect the coil for cracks or burns; replace if defective.
• Install the new ignition coil and reconnect the wiring harness.
• Torque the ignition coil mounting bolts to the manufacturer's specifications (typically around 7-9 lb-ft).

4. Inspect and Clean or Replace Fuel Injector

• Tools Required: Fuel line removal tool, socket set.
• Relieve fuel system pressure according to the manufacturer's procedures.
• Disconnect the fuel line and electrical connector from the fuel injector on cylinder 1.
• Remove the fuel injector using a socket set.
• Clean the injector using an appropriate cleaning solution or replace with a new injector if faulty.
• Reinstall the injector, ensuring it is seated properly, and reconnect the fuel line and electrical connector.

5. Reconnect Battery and Clear Codes

• Reconnect the negative battery terminal.
• Use an OBD-II scanner to clear the engine codes from the ECU.