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Oil Temp and Pressure need DC power?

Asked by: 1210 views Student Pilot

If you lose power (engine and batt), will the oil temp and pressure indicators still function in a Cessna Cardinal RG? Thanks, Jeff

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1 Answers

  1. Russ Roslewski on Jan 25, 2016

    You lose engine power AND battery power? That would mean no alternator either. You’re having a bad day.

    Those gauges will read the same as they will when all power is removed from the system in the normal way – for example, by turning the Master switch off. Look at them next time you have the Master switch off and there’s your answer.

    But this would be a highly abnormal situation. If your engine stops making power, your battery will still function for a while. So where does your question come from?

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