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

Solution

1. Preparation

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

2. Replace Spark Plug

1. Remove the engine cover if necessary.
2. Use a spark plug socket and ratchet to remove the spark plug from cylinder 2.
3. Inspect the old spark plug for signs of wear or fouling.
4. Install a new spark plug (OEM recommended gap: 0.044 inches).
5. Torque the spark plug to 13 lb-ft (18 Nm).
6. Reconnect any components removed during access.

3. Replace Ignition Coil

1. Disconnect the electrical connector from the ignition coil for cylinder 2.
2. Remove the mounting bolts securing the ignition coil using a socket set.
3. Carefully pull the coil out of the spark plug hole.
4. Install the new ignition coil, ensuring it fully seats.
5. Reinstall the mounting bolts and torque to manufacturer specifications.
6. Reconnect the electrical connector.

4. Inspect and Clean Fuel Injector

1. Disconnect the fuel injector connector for cylinder 2.
2. Remove the fuel rail as necessary to access the injector.
3. Carefully pull out the injector and inspect for clogs or damage.
4. Clean the fuel injector using a suitable cleaning solution or replace it if necessary.
5. Reinstall the injector, ensuring proper seating and connection.
6. Reinstall the fuel rail and torque to specifications.

5. Check for Vacuum Leaks

1. Inspect all vacuum hoses around the intake manifold and throttle body for cracks or disconnections.
2. Use a smoke machine or carb cleaner to identify leaks by observing any changes in engine idle.
3. Replace or repair any damaged vacuum lines.