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  1. chrono

    2017 3.5L V6 - Misfires While Accelerating

    I got this truck 2 months ago with 50k miles on it. About 3k miles later, I started noticing misfires or "pinging" in two situations: (a) when accelerating at highway speeds, like while passing, and (b) when climbing hills. Eventually I had enough misfires to trigger a persistent Check Engine...
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