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  1. Engine & Drivetrain
    Hello everyone I am trying to help my father in law with his 2011 GMC Acadia. It has the 3.6 VVT engine and 144,311 miles. Last week he was complaining that it would intermittently lose power so I pulled the codes. I asked him if the spark plugs had ever been changed and he said no. I...
  2. Engine & Drivetrain
    Hi all. Was hoping for some input before I jump back into this nightmare of my 2014 Acadia SLT 102k miles About 3weeks ago it started intermittently doing rough shaky idle at start up. Scanned a P0304 cylinder 4 misfire. I noticed a clicking buzzing noise from the front mid/driver side when...
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