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  1. 04.5-05 LLY Duramax Powertrain
    I have a 05 lly, had new heads and injectors under 40k miles ago. Started it after I let my wife drive it one weekend 🤦🏼‍♂️ And it’s got fuel knock from hell. Cleared codes and it ran smooth as a whistle for over 120 miles and then throws codes p207, p2146 and p1293. Balance rates on 1,4,6,7 are...
  2. General Discussion
    Hey guys, looking for some help, I have a 2015 lml that ive been building. Info on the truck is cclb, 120k miles, 5 in exhaust, fass 250gph, hsp S475 billet over stock, 100% over industrial injection injectors. I just installed the injectors and getting a CEL for PO2D7, (injector learning at max...
  3. General Discussion
    I've been having trouble with my main wiring harness connector. It knocked out an injector before I realized that the bottom of the connector is melted and the pins are falling out of it. Is it possible to rebuild just the connector end of the harness? or would it be best to just go ahead and...
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