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possible fuel issue

  1. 06-07 LBZ & LLY Duramax Powertrain
    Current issue is my 03 Sierra sounds like its cranking strong but will never fire up. I had both batteries tested at the local parts stores and they tested good. I figured since the batteries tested good and wouldn't hold a charge it may be the alternator. It looked easy enough to get off so I...
  2. 01-04.5 LB7 Duramax Powertrain
    Let me start with saying I don't know much about diesel engines or trucks to begin with so thanks for the help ( I definitely cannot afford one of the many high dollar shops in my area since both the wifey and I are laid off due to the Coronavirus bullshit going around)! My 03 gmc 2500 duramax...
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