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  1. General Discussion
    So I have an 03 lb7 duramax with roughly 340,000 miles on it. It’s got a bunch of work done to it... transmission, glow plugs and (Bosch OEM injectors) were replaced about 40,000 miles ago. I bought the truck back in March so these repairs happened before I purchased. Truck ran pretty fine...
  2. 911 Problems Forum
    Thanks for reading my post! Last week my 07 duramax with 99K miles (powertrain warranty goes out at 100) lost power and started belching black smoke. It limped home, barely, and the next morning would crank and then go dead, more black smoke. I had it towed 35 miles to a GM dealership, and...
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