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  1. Titan loss of power and missing over 3000 rpm

    Titan Problems & Dealer Service
    Please help, I just had my service engine light come on and ever since, I have noticed a pretty significant loss in power but mainly notice it at and over 3000 rpm. feels like it starts missing pretty bad. I went to Auto Zone today and they pulled a P0420 code. Catalist system efficiency below...
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