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392 idle

  1. '15 SRT 392 Idle ?

    6.4L / 392ci (2011 - ?)
    Have almost 1,800 on her and noticing that the idle at stop and in gear (A/C off) drops down to 500 rpm after warm up. If I tap the throttle lightly, it goes to 700 as it should and stays. If I place the trans in neutral, it goes to 700 and stays even when going back into drive. When the A/C...