Mark89114 Posted February 10, 2019 Report Posted February 10, 2019 My ship EGT gauge is reading wrong, shows about 200 degrees and doesn’t move on 2000 ovation with moritz gauges. The JPI is reading correctly. Will start diagnosing and wondering if I can swap the leads from the ship probe with a JPI probe and at least diagnose if probe or the moritz gauge,is bad. Any other clues would be helpful. Quote
carusoam Posted February 10, 2019 Report Posted February 10, 2019 Hmmmm.... The eerie seventh probe.... The O’s EGT probe is in the hottest (average over time) point of the exhaust system... at the confluence of three exhaust streams... Could be the sensor is getting worn by the extreme heat it is sitting in... It is an easy pull to inspect kind of thing... if it’s jacket looks like it’s been eaten or melted away... get a replacement... if it cleans up easily, then it sounds like a grounding challenge between engine, gauge, and panel... Once out of the exhaust... you can use the standards of ice water bath and boiling water bath to test the thermocouple probe... PP thoughts only, not a mechanic... Best regards, -a- Quote
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