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3.6 LLT engine swap to LFX

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    • August 6, 2022 at 5:00 am #718595
      GMJohnny
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      Is the 2012 GMC Acadia ECM compatible with the newer 3.6 LFX motor? I recently swap out a bad 3.6 LLT (2012 Acadia) for a 2014 LFX.
      Started up fine but I’m having lots of random misfire issues. Wondering if the ecm programming is the issue?

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