how to fix P0302 misfire code in Tesla Outback 5th Generation (2015-2019)

Solution

1. Preparation

• Gather necessary tools and parts.
• Ensure the vehicle is parked on a level surface and the engine is cool.
• Disconnect the battery to prevent electrical shorts.

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Sub-steps:
  1. Remove the engine cover (if applicable) to access the spark plugs.
  2. Remove the spark plug boot from cylinder 2.
  3. Use the spark plug socket to unscrew and remove the old spark plug.
  4. Inspect the old spark plug for signs of damage, wear, or fouling.
  5. Apply anti-seize compound to the threads of the new spark plug and install it by hand.
  6. Torque the new spark plug to the manufacturer’s specifications (usually around 13-20 lb-ft).
  7. Reattach the spark plug boot securely.

3. Replace Ignition Coil (if necessary)

• Tools Required: Socket set, torque wrench.
• Sub-steps:
  1. Disconnect the electrical connector from the ignition coil on cylinder 2.
  2. Remove the mounting bolts of the ignition coil using the socket set.
  3. Pull out the ignition coil and inspect for damage or cracks.
  4. Install the new ignition coil by aligning it with the spark plug and securing it with bolts.
  5. Reconnect the electrical connector ensuring a secure fit.

4. Check Fuel Injector (if necessary)

• Tools Required: Fuel injector cleaning kit or replacement injector.
• Sub-steps:
  1. Disconnect the fuel injector connector on cylinder 2.
  2. Remove the fuel rail (if necessary) to access the fuel injector.
  3. Inspect the injector for clogs or leaks; clean or replace as needed.
  4. Reinstall the injector and ensure all connections are secure.

5. Reconnect Battery and Test

• Reconnect the battery terminals.
• Start the engine and let it idle to check for any remaining misfire codes.