how to fix P0301 code on Tesla Outback 4th Generation (2010-2014)

Solution

1. Preparation

• Gather tools and parts.
• Disconnect the negative terminal of the battery.
• Allow the engine to cool before beginning work.

2. Inspect and Replace Spark Plug

1. Remove the engine cover if necessary.
2. Use a spark plug socket to remove the spark plug from cylinder 1.
3. Inspect the spark plug for wear or fouling; replace if necessary.
4. Apply anti-seize compound to the threads of the new spark plug.
5. Install the new spark plug and torque to manufacturer specifications (typically around 13 lb-ft).

3. Test and Replace Ignition Coil

1. Disconnect the ignition coil connector from cylinder 1.
2. Remove the ignition coil from the spark plug.
3. Test the ignition coil with a multimeter for proper resistance (refer to service manual for specific values).
4. If faulty, replace the ignition coil with a new one.
5. Reinstall the ignition coil and connect the wiring harness.

4. Fuel Injector Inspection

1. Remove the intake manifold if access is required.
2. Disconnect the fuel injector connector from cylinder 1.
3. Check the injector for proper operation; replace if it doesn't click while testing.
4. Install a new fuel injector if necessary, ensuring proper sealing.
5. Reconnect the fuel injector connector.

5. Check for Vacuum Leaks

1. Inspect all hoses connected to the intake manifold for cracks or disconnections.
2. Use a smoke machine or carb cleaner to identify leaks around the intake manifold.
3. Repair or replace any damaged hoses or gaskets as necessary.