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Thread: LB7 Pressure Sensor- what's it do?

  1. #1
    Join Date
    Jan 2006
    Location
    South Milwaukee, WI
    Posts
    245

    Question LB7 Pressure Sensor- what's it do?

    '01 LB7: Doing an injector replacement, killing time undoing everything to get to the valve covers.

    On the left side of the engine, behind the upper radiator pipe support bracket, is a 2-tiered bracket for 2 ZIF connector heads. On the bottom side of this bracket, is a pressure sensor. I'm not seeing anywhere that this sensor plugs into- no port on the valve cover, no hoses that appear to be loose or missing- the rubber collar just seems to be sitting in mid air. What is this sensor for? This wouldn't be for atmospheric pressure would it? (It looks like a pressure switch, but to what?)

    Any ideas?
    "Chessy56"
    So. Milwaukee, WI
    '01 2500HD, LB7, ~440K miles
    "Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).

    '17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 120K miles.

    "Socialism is a philosophy of failure, the creed of ignorance and
    the gospel of envy. Its inherent virtue is the equal sharing of misery."
    Winston Churchill

  2. #2
    Join Date
    Jan 2006
    Location
    South Milwaukee, WI
    Posts
    245

    Default

    Never mind- it is the Barometric Pressure sensor. Just hangs there in mid air.
    "Chessy56"
    So. Milwaukee, WI
    '01 2500HD, LB7, ~440K miles
    "Stock" engine. Dual fuel filtration system with Kennedy lift pump, BF Goodrich Commercial T/A Traction tires (sold to a dude from Texas- it's living a warmer life just fine down there now!).

    '17 2500HD, L5P (Happy Birthday/Merry Christmas to me!!!) Currently bone stock, 120K miles.

    "Socialism is a philosophy of failure, the creed of ignorance and
    the gospel of envy. Its inherent virtue is the equal sharing of misery."
    Winston Churchill

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