how to diagnose and fix P0301 misfire in my Tesla Outback?

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety.

2. Remove Spark Plug

• Use a spark plug socket and ratchet to remove the spark plug from cylinder 1.
• Inspect the spark plug for damage and replace if necessary.

3. Replace Ignition Coil (if faulty)

• Disconnect the electrical connector from the ignition coil.
• Remove the ignition coil using a socket wrench.
• Install the new ignition coil and reconnect the electrical connector.

4. Check Compression

• Remove the spark plug from cylinder 1.
• Insert a compression tester into the spark plug hole.
• Crank the engine and note the compression reading; it should be within the manufacturer's specifications.

5. Inspect Fuel Injector

• Disconnect the fuel injector connector.
• Remove the injector from the intake manifold.
• Inspect for clogs and test the injector for proper spray pattern using a fuel injector tester.

6. Reassemble and Reconnect

• Reinstall the spark plug and ignition coil.
• Reconnect the battery.
• Clear the OBD-II codes using a scanner.