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

Solution

1. Preparation

• Gather all necessary tools and parts.
• Disconnect the negative battery cable to prevent electrical shorts.
• Allow the engine to cool before working on ignition components.

2. Replace Spark Plug

• Tools Required: Socket set, spark plug socket, torque wrench.
• Remove the ignition coil cover if applicable.
• Unplug the ignition coil connector for cylinder 2.
• Remove the ignition coil by unscrewing the retaining bolts.
• Use a spark plug socket to remove the spark plug from cylinder 2.
• Inspect the spark plug for wear; if fouled or damaged, replace it with a new one.
• Install the new spark plug to the specified torque (typically 13-16 lb-ft).

3. Replace Ignition Coil

• Tools Required: Socket set, torque wrench.
• With the spark plug removed, install the new ignition coil for cylinder 2.
• Reconnect the ignition coil connector.
• Reinstall any covers that were removed.

4. Inspect and Replace Fuel Injector (if necessary)

• Tools Required: Fuel injector removal tool, socket set, torque wrench.
• Disconnect the fuel injector connector for cylinder 2.
• Remove the fuel rail (if necessary) to access the fuel injector.
• Remove the old fuel injector from the fuel rail or cylinder head.
• Install the new fuel injector, ensuring it is seated properly.
• Reconnect the fuel injector connector and reassemble any removed components.

5. Final Checks

• Reconnect the negative battery cable.
• Start the engine and allow it to reach operating temperature.