how to fix P0302 misfire code in Toyota Camry XV70 (2018-2024)

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

• Sub-steps:
  • Remove the engine cover if applicable.
  • Disconnect the ignition coil connector from cylinder 2.
  • Remove the ignition coil using a socket set and set it aside.
  • Unscrew and remove the spark plug using a spark plug socket.
  • Install a new spark plug, ensuring it is gapped correctly to manufacturer specifications (typically around 0.043 inches for the Camry).
  • Reinstall the ignition coil and reconnect the connector.

3. Test or Replace Ignition Coil

• Sub-steps:
  • If the ignition coil was found faulty during diagnostics, remove it as described in the previous step.
  • Install a new ignition coil, ensuring it is seated properly.
  • Reconnect the ignition coil connector.

4. Inspect/Replace Fuel Injector

• Sub-steps:
  • Disconnect the fuel rail from the injector on cylinder 2.
  • Remove the fuel injector using a suitable injector puller if necessary.
  • Inspect the fuel injector for clogs; clean or replace as needed.
  • Reinstall the fuel injector and reconnect the fuel rail.

5. Reassemble and Check for Leaks

• Sub-steps:
  • Reinstall any components removed during the repair (engine cover, etc.).
  • Reconnect the battery.
  • Start the engine and check for any leaks around the fuel rail and injectors.