Maintaining your Mitsubishi Eclipse Cross is essential for optimal performance and fuel efficiency. One crucial maintenance task is replacing the spark plugs. Spark plugs ignite the air-fuel mixture in the engine, ensuring smooth combustion. Over time, worn-out spark plugs can cause misfires, reduced power, and lower gas mileage.

Tools Needed for Spark Plug Replacement

  • Spark plug socket wrench (usually 5/8" or 13/16")
  • Ratchet wrench with extension
  • Torque wrench
  • Gap gauge (to check spark plug gap)
  • Anti-seize lubricant (optional but recommended)
  • Compressed air or a blower

Step-by-Step Replacement Technique

  1. Ensure the engine is cool to avoid burns.
  2. Open the hood and locate the spark plugs on the engine block.
  3. Use compressed air to blow away any dirt around the spark plug area to prevent debris from entering the engine.
  4. Remove the ignition coil or spark plug wire carefully.
  5. Use the spark plug socket wrench with an extension to unscrew and remove the old spark plug.
  6. Check and adjust the gap on the new spark plug using the gap gauge to the manufacturer’s specifications.
  7. Apply a small amount of anti-seize lubricant to the threads of the new spark plug if desired.
  8. Install the new spark plug by hand to avoid cross-threading, then tighten it with a torque wrench to the specified torque.
  9. Reattach the ignition coil or spark plug wire securely.
  10. Repeat the process for each spark plug.

Regularly replacing spark plugs on your Mitsubishi Eclipse Cross helps maintain engine efficiency and prevents costly repairs. Consult your owner's manual for specific intervals and torque specifications to keep your vehicle running smoothly.