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Thread: LBZ Bluish smoke

  1. #1
    Join Date
    May 2016
    Location
    US, Ky
    Posts
    2

    Default LBZ Bluish smoke

    Hi, I am new to this group. I have a question that someone might be able to answer. I have a 2006 GMC 3500 Crew LWB 4x4 with the LBZ in it. I have i've just had the head gaskets replaced, heads shaved, new valve seals, EGR delete, and had EFI live put on the truck. Before I had the truck worked on it wasn't blowing any smoke what so ever now its blowing bluish smoke at start up and a lot of bluish smoke after long idle. I got a Bluetooth adapter and the torque app to check the balance rates but come to find out it doesn't show the rates for the LBZ. If someone could please steer me in the right way I would greatly thank you. There is hardly any blow-by.

  2. #2
    Join Date
    Dec 2002
    Location
    Teton Valley, Idaho
    Posts
    1,873

    Default

    What happens with EFI Live removed (as in completely, not just turned off)?
    What does the smoke smell like? Oil (like an old Chevy 350)? Fuel?

  3. #3
    Join Date
    May 2016
    Location
    US, Ky
    Posts
    2

    Default

    I haven't removed the EFI. I don't have programmer. The guy that did my head gaskets put it in there. Sometimes it smells like oil, sometimes like fuel.

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