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    LML CP4 Problems

    after talking to chevrolet directly multiple times they some what agreed the cp4 is covered.Then talking to my nearest dealership back in fourth for hours. They kept saying just bring it in and let us look at it. My response was its a simplke question is the cp4 covered. After debating forever i...
  2. S

    LML CP4 Problems

    its completely stock
  3. S

    LML CP4 Problems

    hi new member . i have a 2016 duramax 74k miles 2nd owner. i bought from dealership at 19k miles. my cp4 just went out ruined the whole fuel system. chevy is saying warranty doesnt cover it. my warranty book says truck has 5yr/100000 powertrain. one dealership says its 5yr/50000.any help would...