how to fix P0302 code in Toyota Camry XV40 (2007-2011)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to prevent electrical shocks.

2. Inspect and Replace Spark Plug

1. Remove Engine Cover: If applicable, remove any engine covers to access the spark plug.
   • Tools: Socket set
2. Remove Spark Plug: Use a spark plug socket to carefully remove the spark plug from cylinder 2.
3. Inspect Spark Plug: Check for signs of wear, fouling, or damage.
4. Install New Spark Plug: If the old spark plug is defective, install a new spark plug (use OEM or equivalent).
   • Torque to specifications (usually around 13 ft-lbs).
5. Reinstall Engine Cover: Replace the engine cover if it was removed.

3. Inspect and Replace Ignition Coil

1. Remove Ignition Coil: Disconnect the electrical connector and remove the bolt securing the ignition coil to cylinder 2.
   • Tools: Socket set, screwdriver
2. Inspect Ignition Coil: Check for cracks or damage in the ignition coil.
3. Install New Ignition Coil: If defective, replace with a new ignition coil (OEM recommended).
4. Reconnect Electrical Connector: Ensure a secure connection.

4. Inspect Fuel Injector

1. Remove Fuel Rail: If necessary, remove the fuel rail to access the injector for cylinder 2.
   • Tools: Socket set, fuel line disconnect tool
2. Inspect Fuel Injector: Check for clogs or leaks in the injector.
3. Replace Fuel Injector: If found defective, replace with a new injector.
4. Reinstall Fuel Rail: Ensure proper seating and reconnect fuel lines.

5. Final Assembly and Testing

1. Reconnect Battery: Reconnect the negative battery terminal.
2. Clear Codes: Use the OBD-II scanner to clear any existing codes.
3. Test Drive: Take the vehicle for a test drive to ensure the issue is resolved.