2004LB7
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Viewing thread Lb7 can anybody check this tune

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  • What's up 2004LB7, you helped me troubleshoot an injector solenoid problem on my LB7 probably 6 months ago. Here is the thread...

    https://www.duramaxdiesels.com/forum/archive/index.php/t-66590.html

    I just wanted to thank you for your help and update you on the diagnosis because sometimes it's nice to find out what the problem ended up being. After I stopped posting to that thread I let the truck sit for months because I was busy then finally called a mechanic to check injector flow rates and he said that I had fuel pressure but #6 and #7 were stuck open.

    I replaced all 8 injectors.

    Just today, finally, I started up the truck and she sounds great. My lesson learned is that I should invest in a high quality scan tool and get the proper readings before trying other methods of diagnosis.

    Thanks again for your help on here.
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