high idle issue

  1. Wyatt.bilodeau

    Lml stuck in high idle?

    Hi all, I just swapped an lml engine into this truck and it seems as if it’s stuck in high idle when it starts? Im guessing it’s around 1200 rpm as the rpm gauge doesn’t work and if you hit the break it will idle down to what sounds like just above regular idle until you let off the break. I’m...
    • Wyatt.bilodeau
    • Thread
    • high idle issue lml duramax petal position issue
    • Replies: 10
    • Forum: LML
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