Discussion in '348/355' started by Carmellini, Jan 4, 2021.

  1. Carmellini

    Carmellini Formula Junior

    Jul 16, 2019
    My OBD scanner has far more features and information that I can decipher. Reading basic codes is great, but I would like to know about how to interpret different parameters and how that aids in diagnosis.

    I have done some searching and cannot find a comprehensive thread that lists proper readings that should be present in a healthy 355 motor.

    Perhaps some of the more experienced and seasoned among us would be willing to offer some information.

    Starting with baby steps, I would like to know what specs should be for pre and post O2 sensors, MAF lbs./min., and STFT/LTFT numbers, and the interpretation of those numbers......Thanks
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