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

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the negative battery terminal to ensure safety.
• Allow the engine to cool if it has been running.

2. Inspect and Replace Spark Plug

• Remove the ignition coil from cylinder 1:
  • Use a socket wrench to remove the bolts securing the coil.
  • Carefully pull the coil out of the spark plug well.
• Remove the spark plug:
  • Use a spark plug socket to unscrew the spark plug from cylinder 1.
• Inspect the spark plug for signs of wear, fouling, or damage.
• If necessary, replace with a new spark plug (OEM recommended).
• Torque the new spark plug to the manufacturer's specifications (typically around 13-15 ft-lbs).

3. Inspect and Replace Ignition Coil

• If the spark plug is fine, inspect the ignition coil:
  • Check for cracks or damage on the coil body.
• If defective, replace the ignition coil with a new one.
• Reinstall the ignition coil and secure it with the bolts.

4. Fuel Injector Inspection

• If the issue persists, check the fuel injector for cylinder 1:
  • Remove the fuel rail according to manufacturer instructions.
  • Inspect the injector for clogs or damage.
• If necessary, clean or replace the fuel injector.

5. Reassemble and Test

• Reinstall the fuel rail and ensure all connections are secure.
• Reconnect the negative battery terminal.
• Start the engine and check for any warning lights or codes.