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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Ensure the engine is cool before starting work.

2. Inspect and Replace Spark Plug

• Remove the engine cover if applicable.
• Use a socket wrench to remove the spark plug from cylinder 2.
• Inspect the spark plug for wear, carbon buildup, or damage.
• If necessary, replace the spark plug with the manufacturer-recommended type and torque it to specifications (typically around 13-15 ft-lbs).

3. Replace Ignition Coil

• Disconnect the electrical connector from the ignition coil for cylinder 2.
• Remove the ignition coil bolt using a socket wrench.
• Pull out the ignition coil and inspect it for cracks or oil contamination.
• Install the new ignition coil and secure it with the bolt. Reconnect the electrical connector.

4. Inspect and Replace Fuel Injector (if necessary)

• Disconnect the fuel injector connector for cylinder 2.
• Remove the fuel rail bolts and gently lift the fuel rail to access the injector.
• Remove the old fuel injector from the rail and replace it with a new one, ensuring it is seated properly.
• Reattach the fuel rail and reconnect the injector connector.

5. Check for Vacuum Leaks

• Inspect the intake manifold gaskets and vacuum hoses near cylinder 2 for any cracks or loose connections.
• Replace any damaged components.

6. Clear Codes and Test Drive

• Reconnect the negative battery terminal.
• Use the OBD-II scanner to clear the P0302 code.
• Start the engine and take the vehicle for a test drive to ensure the issue is resolved.