my Tesla Model 3 Highland (2024-present) shows P0301 code what steps should I take

Solution

1. Preparation

• Gather tools and parts needed for the repair.
• Disconnect the negative battery terminal to ensure safety.
• Allow the engine to cool before starting work.

2. Remove Ignition Components

• Tools Needed: Socket set, torque wrench, spark plug socket.
• Remove the engine cover if applicable.
• Disconnect the electrical connector from the ignition coil for cylinder 1.
• Unbolt the ignition coil and remove it from the cylinder head.
• Remove the spark plug from cylinder 1 using a spark plug socket.
• Inspect the spark plug for wear or damage; replace if necessary.

3. Inspect and Replace Fuel Injector

• Tools Needed: Fuel injector puller (if required), clean cloth, safety glasses.
• Disconnect the fuel injector electrical connector for cylinder 1.
• Remove the fuel rail bolts and gently pull the rail away to access the injector.
• Remove the fuel injector from the rail; inspect for damage or clogging.
• Replace with a new fuel injector if necessary, ensuring proper seating.

4. Reassemble Components

• Reinstall the spark plug into cylinder 1 and torque it to the manufacturer’s specifications (typically around 15-20 lb-ft).
• Reinstall the ignition coil and secure it with bolts, reconnecting the electrical connector.
• Replace the engine cover if it was removed.

5. Final Checks

• Reconnect the negative battery terminal.
• Start the engine and check for any additional error codes, ensuring the check engine light is off.