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Thread: Replacing Rotax 912iS EGT Probes?

  1. #1
    Senior Member Cherrybark's Avatar
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    Default Replacing Rotax 912iS EGT Probes?

    The #4 cylinder EGT probe seem to be intermittent. I get a temp reading on the Garmin but a Lane light periodically turns on and Garmin says Cyl #4 EGT failure. Nothing obvious with the probe so I'm assuming a sharp bend in the factory wiring created the problem. Hopefully a new probe will solve the situation. I really don't need a Lane light turning on during the first flight.

    I find Alcor probes readily enough but have found anything that looks compatible with the 912iS EGT harness plug. Any suggestions or sources?
    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

  2. #2

    Join Date
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    Oak Harbor,Wa
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    Default Re: Replacing Rotax 912iS EGT Probes?

    I get them from California Power Systems, (west coast Rotax supplier). Have replaced 2 in 300 hrs on engine' I carry a spare on long cross-country flights. Not inexpensive.

  3. #3
    Senior Member Cherrybark's Avatar
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    Default Re: Replacing Rotax 912iS EGT Probes?

    Thanks Neville,

    I've sent CPS an email asking for a part number. Do the probes come with wiring plugs that connect to the 912iS harness.
    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

  4. #4
    Senior Member Cherrybark's Avatar
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    Default Re: Replacing Rotax 912iS EGT Probes?

    Halterman Aviation, operating out of North Texas Regional in Denison. John Alterman doesn't operate as a full time FBO, but gives instruction evenings and weekends. Debra and John McBean gave him hearty recommendations.

    https://halt-av.com/
    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

  5. #5
    Senior Member efwd's Avatar
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    Yorba Linda, CA
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    Default Re: Replacing Rotax 912iS EGT Probes?

    Carl, I sent you a text. The part includes the lead to connect with.
    Eddie Forward
    Flying
    SS7, 912iS, Garmin G3X

  6. #6
    Senior Member Cherrybark's Avatar
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    Default Re: Replacing Rotax 912iS EGT Probes?

    Thanks Eddie. They certainly are proud of these EGT probes.
    Carl Strange
    Building
    SS7, 912iS, Oratex, G3X

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