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  1. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    Radio and lights turn on as soon as battery’s are connected throttle cuts in and out and tuner is frozen (bully dog gt)
  2. Duramax Seventh Generation: 2020+ (L5P)
    Hey All, It’s been a while since I’ve been on here. I currently have a 2007 LBZ with 165000 on the clock. Most of my issues with the truck were the result of a defective factory paint job. This resulted in numerous trips to the body shop on my dime. Everything else was maintenance related work...
  3. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    New to site, I have 2006 LBZ all stock and am looking to install a 4” straight pipe. Called diesel performance shop and they told me I would need a tune on the truck otherwise I would go into limp mode. I have never heard that before. Any help would be appreciated.
  4. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    I have a 07 LBZ that is throwing a code for low fuel rail pressure. It only does it when ambient temp is over 90’F and I’m towing at highway speeds. I already replaced the fuel rail relief valve and the fuel filter and now I’m suspecting one or more injectors may be bad. I have noticed a...
  5. Duramax Third Generation: 2006-2007.5 (LBZ & LLY)
    Noticed this leak after just driving regularly down the road thought it was ac but I still have ac the next morning it was some sort of green fluid, it sprayed all over anyone know what hose this is ? And why it blew.
  6. Builds
    I have a 86 Chevy c30 crew cab I'm currently fixing to begin a lbz swap I have a 07 gmc 2500hd donor truck I've seen plenty of these swaps done where are they getting the engine mounts from since the factory Duramax mounts are offset any information is appreciated and thank you in advance.
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