What is this device?

Discussion in '99+ 7.3L PowerStroke Engine & Drivetrain' started by Cattflight, Aug 5, 2022.

  1. Cattflight

    Cattflight SDD Junior Member

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    Can anyone tell me what this device is and what sensor it seems to feed? It’s connected to a hose to some sort of diaphragm type sensor. Not factory since the service guy didn’t know what it was.
    2002 7.3L 4x4 SRW with Garret38 Turbo and Banks Intercooler. 4” back exhaust. [​IMG][​IMG]

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