how to fix P0301 misfire code in Tesla Outback 6th Generation (2020-2024)

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the vehicle battery to ensure safety.
• Allow the engine to cool before starting any work.

2. Replace Spark Plug

• Tools Required: Socket set, torque wrench, spark plug socket.
• Remove the engine cover (if applicable).
• Locate the spark plug for cylinder 1.
• Use the spark plug socket to remove the old spark plug.
• Inspect the spark plug gap and condition.
• Install the new spark plug, ensuring it is properly gapped (usually around 0.028 inches).
• Torque the spark plug to manufacturer specifications (typically 15-20 ft-lbs).

3. Test/Replace Ignition Coil

• Tools Required: Socket set, multimeter.
• Remove the ignition coil from cylinder 1.
• Use a multimeter to check the resistance of the coil (typically between 0.5 to 1.5 ohms for primary winding).
• If the coil is out of specification, replace it with a new one.
• Reinstall the ignition coil, ensuring all connections are secure.

4. Check Fuel Injector

• Tools Required: Fuel injector cleaning kit, multimeter (if testing resistance).
• Remove the fuel injector from cylinder 1.
• Test the injector’s electrical resistance (should be around 12-16 ohms).
• If the injector is faulty, replace it with a new one.
• If the injector is good, clean it with a fuel injector cleaning kit and reinstall.

5. Compression Test

• Tools Required: Compression tester.
• Remove the spark plug from cylinder 1.
• Insert the compression tester into the spark plug hole.
• Crank the engine several times to get a reading.
• Compare the reading to manufacturer specifications (usually around 150-200 psi).
• If the compression is low, further diagnosis of the engine internals may be needed.