Recent content by usafmorgan

  1. U

    No start issue

    I have checked both the connectors you are talking about. All the pins are good. According to prodemand if only one of the app sensors is bad it won't throw a code. As the other two sensors will compensate for it. So there was no dtc before I started working on it. I have checked all the wires...
  2. U

    No start issue

    Here's my problem. I have an 04 GMC with an LB7. I recently replaced the injectors, cups, CP3, high pressure lines and fuel filter housing. After putting everything back together. I now have a crank no start issue. I have 2 codes one is p0641 for a 5v reference and the other is p1125 for app 1...
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