Free shipping on all orders over $150

Subaru EJ Pre-Tune Question Form

Please only fill out this form if you have a tune scheduled or have purchased a base map!

    Thank you for choosing JM Automotive for your high-performance needs.

    Please answer all of these questions to the best of your knowledge so the process of tuning your car goes as smoothly as possible and you get the most for your money.

    Car Information


    List of all the modifications to your car or the parts you are installing. If they are stock please write STOCK or if you do not know please write UNKNOWN.

    Do you currently have or have had any Check Engine Lights?
    (We CANNOT tune a car if it has a check engine light due to any mechanical problems, if you currently don’t have any codes but get a code after the car is running on the new base map we provided, please update us with what codes you have. Your car should NOT have any check engine lights when you performing logs for the E-Tune.


    Front O2 Sensor - P0030, P0031, P0032, P0131, P0132, P0134

    System too lean/rich - P0171, P0172, P2096, P2097

    TGV stuck closed but not deleted - P2004-P2022

    Speed Sensor code causing limp mode - P0500

    AVCS codes, Cam/Crank Correlation, Cam Over Advance - P000A, P000B, P000C, P000D, P0011, P0014, P0016, P0017, P0018, P0019 P0021, P0024

    Air pump - P2431, P2432, P2433

    Again if you have any of the codes listed above we can NOT tune your car.

    If you have parts that you want installed prior to the tune or need parts you will want to let us know. We can help you get those parts since we are distributors of most performance brands

    Date (required):

    Email (required):

    Name (required):

    Order Number (required):

    Did you read the How E-Tunes Work information? By filling out this form you are acknowledging you have read the pre tune checklist and how E-tuning works.