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

Solution

1. Preparation

• Gather all necessary tools and parts.
• Ensure the vehicle is parked on a flat surface and the engine is cool.
• Disconnect the negative battery terminal for safety.

2. Replace Spark Plug and Ignition Coil

1. Remove Engine Cover (if applicable)

   • Use a socket set to remove bolts securing the engine cover.
   • Lift off the cover and set it aside.

2. Access Cylinder 2 Components

   • Locate cylinder 2, typically the second cylinder from the front of the engine.
   • Remove any obstruction to access the ignition coil and spark plug.

3. Remove Ignition Coil

   • Disconnect the electrical connector from the ignition coil.
   • Use a socket to remove the bolt securing the ignition coil.
   • Gently pull the ignition coil out of the spark plug hole.

4. Replace Spark Plug

   • Use a spark plug socket to remove the old spark plug.
   • Inspect the old spark plug for signs of wear or damage.
   • Install a new spark plug, ensuring it is gapped correctly (check specifications).
   • Torque the spark plug to manufacturer specifications (typically 13-16 lb-ft).

5. Reinstall Ignition Coil

   • Insert the ignition coil back into the spark plug hole.
   • Secure it with the bolt and reconnect the electrical connector.

3. Check and Clean Fuel Injector (if needed)

1. Remove Fuel Injector

   • Disconnect any electrical connectors and fuel lines (be cautious of fuel leaks).
   • Use a socket to remove the fuel injector retaining bolts and pull the injector out.

2. Clean or Replace Fuel Injector

   • If cleaning, use a fuel injector cleaner and compressed air to clear any blockages.
   • If replacing, install a new fuel injector in reverse order of removal.

4. Reassemble and Reconnect

• Reattach any engine covers or components removed during the process.
• Reconnect the negative battery terminal.