how to fix P0301 code in Ford F-150 Fourteenth Generation (2021-present)

Solution

1. Preparation

• Gather all 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, spark plug socket.
• Remove the ignition coil and spark plug from cylinder 1.
• Inspect the spark plug for wear, carbon buildup, or damage.
• If necessary, replace the spark plug with a new one that meets manufacturer specifications.
• Torque the new spark plug to the manufacturer's recommended specification (typically around 13-15 lb-ft).

3. Inspect and Replace Ignition Coil

• Tools Required: Socket set, torque wrench.
• Check the ignition coil for any visible cracks or damage.
• If defective, remove the ignition coil from cylinder 1 and install a new one.
• Torque the ignition coil mounting bolts to the specified value (usually around 7-10 lb-ft).

4. Inspect Fuel Injector

• Tools Required: Basic hand tools, fuel line disconnect tool.
• Disconnect the fuel line and electrical connector from the fuel injector on cylinder 1.
• Remove the injector and inspect for clogs or leaks; clean or replace if necessary.
• Reinstall the fuel injector, ensuring a proper seal and reconnect the fuel line.

5. Verify Compression (if needed)

• Tools Required: Compression tester.
• Remove the spark plug from cylinder 1 and install the compression tester.
• Crank the engine and record the compression reading.
• Compare to manufacturer specifications (typically 120-200 psi) to check for mechanical issues.

6. Clear Codes and Test

• Reconnect the battery terminal.
• Use the OBD-II scanner to clear the P0301 code.
• Start the engine and observe for any recurrence of the code.