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    Super Mario Diagnostics: 3 methods to test your engine block ground

    Jan. 27, 2023
    In this video, Mario Rojas, also known as Super Mario Diagnostics, is going to review some tests we can perform to check ground supply to your engine block.

    In this video, Mario Rojas, also known as Super Mario Diagnostics, is going to review some tests we can perform to check ground supply to your engine block.

    Follow Super Mario Diagnostics on YouTube and Facebook, or you can reach Rojas at [email protected].