what does the P0302 code indicate for my Toyota RAV4 XA50

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the battery to ensure safety while working on electrical components.

2. Replace Spark Plug (if faulty)

• Remove the engine cover (if applicable) using a socket set.
• Disconnect the ignition coil connector from cylinder 2.
• Unbolt and remove the ignition coil.
• Remove the spark plug using a spark plug socket and ratchet.
• Inspect the old spark plug for damage, and replace it with a new one.
• Torque the new spark plug to the manufacturer's specifications (typically around 13-15 lb-ft).
• Reinstall the ignition coil and reconnect the connector.

3. Replace Ignition Coil (if faulty)

• If the ignition coil was found to be defective during inspection, replace it.
• Follow the same steps as above to remove the ignition coil and install the new one.
• Ensure the coil is seated properly and reconnect the wiring harness.

4. Replace Fuel Injector (if faulty)

• If the fuel injector is faulty, remove the intake manifold if necessary for access.
• Disconnect the fuel line and electrical connector from the fuel injector.
• Remove the old injector from the rail and replace it with a new one.
• Reassemble the components in reverse order and ensure proper connections.

5. Reconnect Battery and Test

• Reconnect the battery terminals.
• Start the engine and check for smooth operation.
• Clear the codes using the OBD-II scanner and monitor for reoccurrence.