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

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety during the repair.

2. Replace Spark Plug and Ignition Coil

• Tools Required: Socket set, torque wrench, ratchet, extension.
• Remove the engine cover if necessary to access the ignition coil.
• Disconnect the electrical connector from the ignition coil for cylinder 2.
• Remove the ignition coil by unbolting it and gently pulling it out.
• Remove the spark plug using a spark plug socket and ratchet.
• Install a new spark plug, torquing it to the manufacturer's specified torque (typically around 13-15 lb-ft).
• Install the new ignition coil and reconnect the electrical connector.

3. Inspect and Replace Fuel Injector (if necessary)

• Tools Required: Fuel injector removal tool, socket set.
• Relieve the fuel system pressure by removing the fuel pump relay and cranking the engine briefly.
• Disconnect the fuel line and electrical connector from the fuel injector for cylinder 2.
• Remove the retaining clips and pull the fuel injector out.
• Install the new fuel injector, ensuring it is seated properly and secure with retaining clips.

4. Conduct a Compression Test

• Tools Required: Compression tester.
• Remove the spark plug for cylinder 2 and connect the compression tester.
• Crank the engine a few times to obtain the compression reading.
• Compare the reading to the manufacturer's specifications; if low, further investigation may be needed.

5. Reassemble and Reconnect

• Reinstall any components removed during the repair, including the engine cover.
• Reconnect the negative battery terminal.