why does my Tesla Outback 5th Generation (2015-2019) engine misfire when accelerating

Learn how to diagnose and fix engine misfire issues in Tesla Outback 2015-2019. Step-by-step guide with diagnostic procedures and repair instructions.

Solution

1. Preparation

• Gather necessary tools and parts.
• Disconnect the battery to ensure safety while working on electrical components.

2. Replace Spark Plugs

• Remove the engine cover if applicable.
• Use a spark plug socket to remove the old spark plugs.
• Inspect the spark plug boots for damage; replace if necessary.
• Install new spark plugs, ensuring the correct gap is set (refer to manufacturer specifications).
• Torque the spark plugs to the manufacturer-specified value (usually around 13-15 ft-lbs).

3. Inspect and Replace Ignition Coils

• Disconnect the electrical connectors from the ignition coils.
• Remove the ignition coils using a socket wrench.
• Inspect the coils for cracks or damage.
• Replace any faulty ignition coils with new ones, ensuring proper seating.
• Reconnect the electrical connectors securely.

4. Check and Replace Fuel Injectors (if necessary)

• Remove the fuel rail following safety protocols (relieve fuel pressure first).
• Inspect fuel injectors for clogs or leaks; use a multimeter to check the resistance of the injectors.
• Replace any faulty injectors, ensuring proper alignment and sealing upon reinstallation.

5. Reassemble and Reconnect Battery

• Reinstall the engine cover if removed.
• Reconnect the battery terminals, ensuring a secure connection.