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  1. L

    LBZ po540 code

    Okay guys sorry but I posted this forum in introductions not tuning so I have a 2007 Duramax LBZ 3500 and I have a check engine light for the air intake heater I understand it could possibly be shut off with EFI live so I could not get that light anymore?
  2. L

    LBZ po540 code

    Sorry about that I have a Duramax and a cummins
  3. L

    LBZ po540 code

    hi I have an 07 3500 dual tank Duramax LBZ with a check engine light for the air intake heater I understand the heater can maybe be shut off with an EFI live?
  4. L

    Fuel gauge problem

    Okay thank you for the info
  5. L

    Fuel gauge problem

    GMDuramax if I program the ECM for a single tank will the ECM send a voltage signal to the factory gauge?
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    Fuel gauge problem

    Hi I have a 2007 3500 diesel flatbed dump four-wheel drive anyways I have a dual tank system and I eliminated the rear tank .sending units worked in ohms I understand the gas gauge works in volts so I can not use the factory gas gauge but I cannot find a aftermarket gauge that works with 40-250...
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