Sensor Identification?

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Cadillac STS-V Series Forum Discussion, Sensor Identification? in Cadillac V-Series Forums; There are 3 sensors on the left side of the blower that have an electrical connector on the top side ...
  1. #1 is offline Cadillac Owners Member
    Automobile(s): Cadillac
    Join Date
    Nov 2007

    Sensor Identification?

    There are 3 sensors on the left side of the blower that have an electrical connector on the top side of them and a small plastic line connection on the bottom. The plastic line connections go to different ports on the intake manifold / blower. See attached pic. The center one has no plastic line attached to it, and the port at the back of the manifold where it should plug into has a cap on it. Is this normal?Sensors.jpg


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  3. #2
    TimmyC is offline Cadillac Owners Connoisseur
    Automobile(s): 2006 STS-V and 2007 STS-V The Murdalac
    Join Date
    Feb 2009
    1/2 hr S of Grand Rapids, MI

    Re: Sensor Identification?

    Yes, that's normal. The rear sensor is the Supercharger Inlet Pressure Sensor, the middle one is barometric, and the front one is the Manifold Absolute Pressure (MAP).

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