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Old 05-13-2018, 11:59 AM
dweyant dweyant is offline
Join Date: Sep 2012
Location: 07TS
Posts: 426
Default EGT Probe

Started having an issue with the EGT's on my number 3 yesterday.

RV-9A with IO-320 about 400 hours TT.

Cruising along at at 7500 feet LOP and the EGT would bound up and down bout 200-300 degrees.

I pulled to probe today and there is nothing obviously wrong with it.

Bad probe? Or something else?


Dan Weyant
Done and Flying 4/30/2015
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Old 05-13-2018, 12:22 PM
Carl Froehlich's Avatar
Carl Froehlich Carl Froehlich is offline
Join Date: Dec 2007
Location: Dogwood Airpark (VA42)
Posts: 1,386

Depending on the vendor and vintage, some EGT probes have a problem with the pigtail connectors.

Before buying a new probe, you can try replaceing the pigtail connectors.

I keep a spare probe in the hangar as they do go bad from time to time.

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