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

Solution

1. Preparation

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

2. Replace Ignition Coil

1. Locate the ignition coil for cylinder 2 (refer to the vehicle's service manual for specific location).
2. Remove the engine cover if necessary.
3. Disconnect the electrical connector from the ignition coil.
4. Remove the mounting bolts securing the ignition coil using a socket set.
5. Pull the ignition coil out of the spark plug well.
6. Install the new ignition coil by reversing the removal steps.

3. Replace Spark Plug

1. Using a socket wrench, remove the spark plug from cylinder 2.
2. Inspect the old spark plug for signs of wear or damage (e.g., carbon build-up, broken insulator).
3. Gap the new spark plug according to the manufacturer's specifications.
4. Install the new spark plug and tighten it to the recommended torque (usually around 13-16 lb-ft).
5. Reconnect the ignition coil to the spark plug.

4. Inspect and Test Fuel Injector

1. Access the fuel injector for cylinder 2, which may require removal of intake components.
2. Disconnect the electrical connector from the fuel injector.
3. Perform a resistance test on the injector using a multimeter to ensure it is within specifications.
4. If faulty, replace the fuel injector with a new one, following the manufacturer’s instructions.

5. Check for Vacuum Leaks

1. Inspect all vacuum hoses and connections for cracks or looseness.
2. Use a smoke machine or carburetor cleaner to check for leaks around the intake manifold.
3. Replace any damaged hoses or re-seat any loose connections.