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  1. LML Misfire please help

    11-16 LML Duramax Powertrain
    I’m new here. I have a 2011 GMC Sierra with the LML duramax. It is tuned by kory Willis and have a full 5in turbo back. I just finished an egg delete with a werhli high flow bundle kit. I’m currently experiencing what I would call a misfire. The only code that has come up was p0675 (open circuit...
  2. Power Steering

    General Discussion
    2012 GMC 3500hd 6.6 LML I recently had to replace my steering gear box which was full of shredded metal. I replaced the gear box, power steering pump, cleaned all the lines, and replaced the hydro boost while I was in there. I’ve replaced and torn the whole system apart 3 times now due to back...
  3. Lml 2011 duramax ransom shutting off

    11-16 LML Duramax Powertrain
    Hey guys I’m getting stumped with my pickup 2011 lml with a mini h&s tuner and deleted, fass lift pump.I’m having this problem currently that the truck will just shut off like someone turned the key off when decelerating to a stop, the gauges are all still on, no codes, and the truck always so...
  4. Need help with new tuning h&s mini maxx

    EFI Live
    I need help I’m new to the diesel world. I bought a 2014 gmc 2500hd that was already tuned with a H&s mini maxx but the previous owner didn’t leave the mini maxx with the truck so I was wondering if I buy a new mini maxx and install the tunes would it fry my Ecm since it’s not the original one...
  5. 2011 LML What control arms?!

    Suspension&Steering
    I have searched and searched on here for an answer and have come up empty handed. I have a 2011 Lml and In need of new ball joints and figured I’d upgrade control arms to something other than factory. Truck is leveled on stock wheels with 33x12.50 Toyo At3. Really the question is which...
  6. Good duramax performance specialist in central florida

    2011-2016 (Non Powertrain)
    New to the forum looking for a reliable (lml) duramax perfomance specialist in central florida, anyone have any recommendations?
  7. WTB 2011-2014 Chevy Z71 Grille (Black) or Chrome Inserts

    Looking For/ Wanting To Buy
    Hi All I have a 2012 Chevrolet Silverado 2500HD that has the Z71 Appearance Package. Originally the grille had black surround and chrome mesh inserts however the previous owner painted the inserts black. I am looking to buy either the whole Z71 Appearance Package grill (black surround and...
  8. Lml P16a8 code!!! Help newbie out

    2011-2016 (Non Powertrain)
    2015 lml Duramax -Threw the p16a8 code for glow plug control module and thought about changing the glow plugs as well just to be on the safe side. Any help appreciated🤘
  9. 2012 Duramax Disaster

    General Discussion
    Bough a 2012 lml Duramax in 2016. The first year was great, year two got home one day with the truck running rough and wouldn't restart after that. Got it towed to dealership only to find out if was a cp4 failure with a 15,000+ repair bill. Get it back two weeks later only to have the def...
  10. Can P003A be a actuator problem or a gunked up turbo?

    11-16 LML Duramax Powertrain
    I posted a note yesterday for advice on removing a turbo from a 2013, now I wonder if I am chasing the right rabbit. I get the P003A error occasionally. My truck still runs pretty well when pulling a gooseneck with about 8000lbs, and when hauling a ~2000lb slide-in camper up hills in a head...
  11. Advice needed on 2013 turbo removal

    11-16 LML Duramax Powertrain
    My 2013 has been giving a P003A error regularly for several months (boost control position not learned). I can clear the code but it comes back after a few days. The dealer says the vanes are likely stuck and they want about $2000 just to tear it apart and see if that is the problem. I thought I...
  12. Buying Used '15 LML Question

    General Discussion
    Hi all, New to the forums here, and new to duramaxs. I am looking to buy my first diesel, and found a pretty clean looking 1 owner '15 with 145K miles. The carfax is completely clean, except that it looks like the injectors were replaced at 75K miles. My question is, would this most likely be...
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    Vehicles For Sale
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  14. EDGE the first with a tune???

    11-16 LML Duramax Powertrain
    I read on deiselplace forum that edge might have a success for the first tune for the LML. Wanted to see if anyone else can confirm this and might know more..
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