how do I fix the misfire code P0302 in my Toyota RAV4

Solution

1. Preparation

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

2. Replace Spark Plug

• Sub-steps:
  1. Remove the ignition coil and spark plug for cylinder 2.
  2. Inspect the spark plug for wear; replace if necessary.
  3. Use a torque wrench to install the new spark plug to the manufacturer's specified torque (usually around 13 lb-ft).

3. Replace Ignition Coil

• Sub-steps:
  1. Remove the faulty ignition coil from cylinder 2.
  2. Install the new ignition coil, ensuring it is seated properly.
  3. Reconnect the electrical connector securely.

4. Clean or Replace Fuel Injector

• Sub-steps:
  1. If the injector is clogged, clean it using a fuel injector cleaning kit.
  2. If cleaning does not resolve the issue, replace the fuel injector for cylinder 2.
  3. Ensure all connections are secure and any O-rings are replaced.

5. Reconnect Battery and Test

• Reconnect the negative battery terminal.
• Start the engine and check for any new error codes.