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Thread: Back Pressure Sensor

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    Back Pressure Sensor

    So am I have DRD MM3 deleted.

    I upgraded my tunes for my Iron Horn turbo kit BD Diesel exhaust brake.

    Now my question.

    The stock back pressure sensor needs plugged in I thought but does it need plumbed into the exhaust?

    I have an ISSPRO back pressure gauge I was going to install and thought that would be an easy place to plumb the sensor.

    I am guessing since it wont display pressure it just needs to be there for some sort of voltage feedback its not actually reading.


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    I WILL STAND! AK Bob's Avatar

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    Re: Back Pressure Sensor

    Quote Originally Posted by rsabol77 View Post
    So am I have DRD MM3 deleted.

    I upgraded my tunes for my Iron Horn turbo kit BD Diesel exhaust brake.

    Now my question.

    The stock back pressure sensor needs plugged in I thought but does it need plumbed into the exhaust?

    I have an ISSPRO back pressure gauge I was going to install and thought that would be an easy place to plumb the sensor.

    I am guessing since it wont display pressure it just needs to be there for some sort of voltage feedback its not actually reading.
    For your year truck you can remove and unplug the exhaust pressure sensor.

    See information below I saved from Ray.

    The MM3 will not read exhaust back pressure sensor on anything newer than a 2009 model.

    The 07.5-12 model trucks, the exhaust back pressure must stay plugged in.

    On the 13-18 models, the exhaust back pressure sensor can be unplugged and removed.


    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, 50 Gallon auxiliary fuel tank.

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    2014 RAM 3500 (Aisin) 3.73 4X4 Limited Crew Cab Long Bed DRW. Oil Bypass Filter, Fuel Filtration Kit, Cold Air Intake, City Diesel Actuator and 50 Gallon Aux Fuel Tank.

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