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Thread: Manifold pressure gauge not working

  1. #1
    Junior Member
    Join Date
    Mar 2010
    Snowy Mountains NSW Australia

    Manifold pressure gauge not working

    On a resent flight the manifold pressure gauge stopped working, the gauge display had a red cross through it. Upon inspection the ground wire was found to be broken, after the wire was rejoined and the unit turned on the same red cross was displayed, a check confirmed that power was getting to the transducer and that both the black wire and the green wire had continuity. Is the fault likely to be the transducer or in the unit itself. The unit is a AF3500 non S CPU

  2. #2
    It is either the wiring or a bad sensor. Check the voltage on the signal wire, should be around 4+ volts
    Rob Hickman
    Advanced Flight Systems Inc.

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