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2003 Mitsubishi Lancer Spark Plug Socket Size Guide

    2003 Mitsubishi Lancer Spark Plug Socket Size

    If you own a 2003 Mitsubishi Lancer and are looking to replace the spark plugs, it’s important to know the correct socket size to use. Using the wrong size socket can lead to damage or improper installation of the spark plugs. In this article, we will provide you with the spark plug socket size for a 2003 Mitsubishi Lancer.

    Spark Plug Socket Size Chart

    Engine Type Socket Size
    2.0L 4-cylinder 5/8 inch (16mm)
    2.4L 4-cylinder 5/8 inch (16mm)

    Now that you have the spark plug socket size chart, let’s go through the steps to replace the spark plugs in your 2003 Mitsubishi Lancer.

    Step 1: Gather the necessary tools

    • Socket wrench
    • Spark plug socket (5/8 inch or 16mm)
    • Extension bar (if needed)
    • Spark plug gap tool
    • Dielectric grease (optional)
    • New spark plugs

    Step 2: Prepare the vehicle

    1. Make sure the engine is cool before starting.
    2. Disconnect the negative terminal of the battery to prevent any electrical accidents.

    Step 3: Locate the spark plugs

    The spark plugs are located on the top of the engine, usually covered by a plastic engine cover. Remove the cover to access the spark plugs.

    Step 4: Remove the old spark plugs

    1. Attach the spark plug socket to the socket wrench.
    2. Insert the socket onto the spark plug and turn counterclockwise to loosen and remove the old spark plug.

    Step 5: Inspect and gap the new spark plugs

    1. Check the gap of the new spark plugs using a spark plug gap tool. The gap should match the specifications provided by the manufacturer.
    2. If needed, adjust the gap by carefully bending the ground electrode.

    Step 6: Install the new spark plugs

    1. Apply a small amount of dielectric grease to the inside of the spark plug boot (optional).
    2. Insert the new spark plug into the socket and carefully thread it into the spark plug hole by hand.
    3. Tighten the spark plug with the socket wrench, turning clockwise. Be careful not to overtighten.

    Step 7: Repeat for remaining spark plugs

    Repeat steps 4 to 6 for each of the remaining spark plugs.

    Step 8: Reassemble and test

    1. Reinstall the plastic engine cover (if applicable).
    2. Reconnect the negative terminal of the battery.
    3. Start the engine and listen for any abnormal noises or misfires.

    By following these steps and using the correct spark plug socket size, you can successfully replace the spark plugs in your 2003 Mitsubishi Lancer. Regular maintenance of your spark plugs will help ensure optimal engine performance and fuel efficiency.