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injectors

  1. Coolant system pressure

    Duramax First Generation: 2001-2004 (LB7)
    Ive been working on an 03 LB7 w/140k miles on it. Egr delete and after market oil cooled fleece turbo installed before I got it. Had all the signs of blown head gaskets so tore it apart and replaced them with arp head studs. Had heads resurfaced and replaced all o rings and gaskets associated...
  2. P0202 Where Is Injector 2 Wiring Harness

    Duramax First Generation: 2001-2004 (LB7)
    Hoping for some quick help on this. Our 2002 Duramax is throwing P0202. I see on the LLY Duramax this is an easy fix. I cannot find any detail on fixing this on the LB7. Is there a fix as easy as on the LLY? If so, where do I find the correct wiring harness for injector 2? Appreciate any...
  3. Anyone else having injector issues on the new L5P?

    Duramax Seventh Generation: 2020+ (L5P)
    4000 Kms and the check engine light comes on. Diagnostic says the #8 injector needs to be replaced and 2 others are questionable. Coincidentally met another guy with the same truck whose CE light also just came on. Diagnostics say his #3 injector is bad with 9000 Kms! Comments? -Rob-
  4. low fuel rail code need help

    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...
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