how to fix P0301 code on Ford F-150 14th Generation (2021-2024)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Allow the engine to cool before starting repairs.

2. Inspect and Replace Spark Plug

• Tools Required: Socket set, torque wrench
• Remove the engine cover if applicable.
• Locate the spark plug for cylinder 1 (refer to the engine layout).
• Using a socket wrench, carefully remove the spark plug.
• Inspect the spark plug for signs of wear or fouling.
• If damaged, replace it with a new spark plug, ensuring it matches OEM specifications.
• Torque the new spark plug to the manufacturer's specification (typically around 13 lb-ft for most Ford engines).

3. Check and Replace Ignition Coil

• Tools Required: Socket set
• Locate the ignition coil on cylinder 1.
• Disconnect the electrical connector from the ignition coil.
• Remove the mounting bolts using a socket.
• Replace the ignition coil with a new one, ensuring it is properly seated and secured.
• Reconnect the electrical connector.

4. Inspect Fuel Injector

• Tools Required: Fuel injector removal tool (if necessary)
• Locate the fuel injector for cylinder 1.
• Disconnect the electrical connector and fuel line from the injector.
• Remove the injector from the intake manifold.
• Inspect the injector for clogs or leaks. Clean or replace as necessary.
• Reinstall the fuel injector, reconnecting the fuel line and electrical connector.

5. Compression Test

• Tools Required: Compression tester
• Remove the spark plug for cylinder 1.
• Insert the compression tester into the spark plug hole.
• Crank the engine and observe the compression reading.
• If the reading is below the manufacturer's specification, further investigation of internal engine components may be necessary.