what does the P0302 code indicate for my Ford F-150 14th Generation (2021-2024)

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the negative battery terminal to prevent electrical shorts.

2. Inspect and Replace Spark Plug

• Remove the ignition coil for cylinder 2 by unbolting it and disconnecting the electrical connector.
• Remove the spark plug using a spark plug socket and ratchet.
• Inspect the spark plug for wear; if damaged, replace it with a new one.
• Torque the new spark plug to the manufacturer’s specifications (typically around 13-15 ft-lbs).
• Reinstall the ignition coil.

3. Check and Replace Ignition Coil

• If the spark plug is fine, test the ignition coil using a multimeter for resistance (consult specifications).
• If the coil is faulty, replace it with a new ignition coil specific for the F-150.
• Reconnect the ignition coil and its electrical connector.

4. Inspect Fuel Injector

• If the ignition components are functioning, check the fuel injector for cylinder 2.
• Remove the fuel injector connector and test using a noid light.
• If no signal is detected, trace wiring back to the engine control unit (ECU) for faults.
• If the injector is faulty, replace it with a new one and reassemble.

5. Reconnect Battery and Test

• Reconnect the negative battery terminal.
• Start the engine and monitor for any check engine light activation.
• Allow the engine to reach operating temperature.