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

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface with the engine off and cool.
• Disconnect the negative battery terminal.

2. Replace Spark Plug

1. Remove the engine cover if applicable.
2. Use a spark plug socket to remove the spark plug from cylinder 2.
3. Inspect the spark plug for wear and replace it with a new one if necessary.
   • Torque the new spark plug to 13 lb-ft (17.5 Nm).

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 and lift it out.
3. Install the new ignition coil and secure it with the bolts.
4. Reconnect the electrical connector.

4. Inspect and Clean Fuel Injector

1. Remove the fuel rail if required to access the fuel injector for cylinder 2.
2. Disconnect the electrical connector from the injector and remove the retaining clip.
3. Carefully pull out the injector from the rail.
4. Inspect the injector for clogs or debris; clean or replace as necessary.
5. Reinstall the fuel injector, ensuring it is seated correctly and secure the retaining clip.

5. Compression Test (if necessary)

1. Remove the spark plug from cylinder 2.
2. Insert the compression tester into the spark plug hole.
3. Crank the engine for a few seconds and record the compression reading.
4. Compare with manufacturer specifications; if low, further investigation is needed.

Tools Required:

• OBD-II scanner
• Socket set (including spark plug socket)
• Torque wrench
• Compression tester
• Fuel injector puller (if needed)

Parts Required:

• Spark plug for cylinder 2
• Ignition coil for cylinder 2
• Fuel injector for cylinder 2 (if applicable)

Estimated Repair Time: 2-4 hours

Safety Warnings:

• Disconnect the battery before working on electrical components.
• Allow the engine to cool before performing any repairs to prevent burns.