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  1. Engine & Drivetrain
    We have a 2012 GMC Acadia SLT. With no warning it starting smoking, hesitating, and starting hard. Check engine light came on, Check Stability Trak message, and Check Traction Control messages too. I pulled the diagnostic code and it was P0301, Cylinder 1 misfire detected. I pulled the plug...
  2. Engine & Drivetrain
    Hi All. I have a 2017 GMC Acadia. Overall it has been a good vehicle. The car only has 33K miles. Recently I had the following experience: The air conditioning stopped working The engine temperature gauge was not registering The steering assist function came up with a message that says...
  3. 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...
  4. Engine & Drivetrain
    So I an in the middle of an injector replacement on my wife's 2014 acadia slt. I finally got the fuel rails out and back in (worst design ever?) and one of the injectors is leaking. The rail seems to seat fine, the injector o ring looks to be fine.. The one thing I couldn't find is the little...
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