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Refreshed Sierra 1500 w/ 6.2L slight miss

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    • March 11, 2023 at 1:09 pm #751184
      zxrj1
      Participant

      My 2023 Sierra 1500 SLT 6.2 has a slight miss at low rpm . intermittently rough idles, slow acceleration with hesitation, shudder on hill climbs. Has anyone heard of a reason why? it is frustrating.

    • March 13, 2023 at 1:16 pm #751313
      firepoggy
      Participant

      I would bet fuel injector going out. Known issue with the 6.2

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