how to fix P0302 code on Toyota Camry Eighth Generation (2018-present)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to prevent electrical shorts.
• Ensure the vehicle is on a level surface and secure it with wheel chocks.

2. Remove Ignition Coil and Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket
• Remove the engine cover (if applicable).
• Disconnect the electrical connector from the ignition coil for cylinder 2.
• Remove the ignition coil using a socket wrench.
• Use a spark plug socket to carefully remove the spark plug from cylinder 2.

3. Inspect and Replace Components

• Tools Required: Multimeter (if testing ignition coil), new spark plug, new ignition coil (if needed)
• Inspect the spark plug for signs of wear (e.g., carbon build-up, cracks). Replace with a new spark plug if damaged.
• Test the ignition coil using a multimeter to check for proper resistance. Replace with a new ignition coil if it fails the test.

4. Check Fuel Injector

• Tools Required: Fuel injector cleaner (if cleaning), new fuel injector (if replacing)
• Disconnect the fuel injector connector for cylinder 2.
• Test the fuel injector operation using a noid light or multimeter. Replace if it is not functioning properly.
• If cleaning, use a fuel injector cleaner according to manufacturer instructions.

5. Reassemble Components

• Reinstall the spark plug and torque it to the manufacturer’s specifications (typically around 13-16 ft-lbs).
• Reinstall the ignition coil and reconnect the electrical connector.
• If applicable, replace the engine cover.

6. Reconnect Battery and Clear Codes

• Reconnect the battery terminals.
• Use the OBD-II scanner to clear the P0302 code from the system.