how to fix P0302 code for Toyota Camry XV40 (2007-2011)

Solution

1. Preparation

• Gather required tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Allow the engine to cool if it has been running recently.

2. Inspect and Replace Spark Plug

1. Remove the engine cover (if applicable) to access the spark plug.
2. Using a socket wrench, remove the spark plug from cylinder 2.
   • Tools Required: Spark plug socket, ratchet, extension.
3. Inspect the spark plug for wear, fouling, or damage.
4. If necessary, replace the spark plug with a new one that meets OEM specifications.
5. Torque the new spark plug to the manufacturer's specification (generally around 13-15 lb-ft).

3. Inspect and Replace Ignition Coil

1. Disconnect the electrical connector from the ignition coil for cylinder 2.
2. Remove the bolts securing the ignition coil and pull it out from the cylinder head.
   • Tools Required: Socket set.
3. Inspect the ignition coil for cracks or signs of failure.
4. If faulty, replace the ignition coil with a new one that meets OEM specifications.
5. Reinstall the ignition coil, ensuring it is seated properly and secure it with bolts.

4. Inspect and Test Fuel Injector

1. Disconnect the electrical connector from the fuel injector for cylinder 2.
2. Remove the fuel injector using an injector puller if necessary.
3. Inspect the injector for clogs or debris.
4. If needed, replace the fuel injector with a new one that meets OEM specifications.
5. Reinstall the injector, ensuring it is seated correctly in the intake manifold.

5. Clear Codes and Reconnect Battery

1. Reconnect the battery and clear any trouble codes using an OBD-II scanner.
2. Ensure all components are properly reinstalled.