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Old 07-24-2017, 08:35 AM
Michael Wellenzohn's Avatar
Michael Wellenzohn Michael Wellenzohn is offline
 
Join Date: Aug 2007
Location: Zuerich, Switzerland
Posts: 122
Default 2nd Oil temp sensor in IO-540

Hi all,
It's already the second oil temp sensor I have to replace within 230h. It started to show too low readings compared with usual cruise speed / OAT / oil shutter door settings. I never saw a thread that this is a common issue. Did anyone experience something like this? Did you find out the reason?
I am thinking to install Adecco d independent oil temp gauge, does anyone know where to mount a second oil temp sensor and if yes what us the difference in oil temp at this location compared to the original one near the oil filter mount.

Thanks
Mike
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  #2  
Old 07-24-2017, 08:45 AM
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F1Boss F1Boss is offline
 
Join Date: Aug 2006
Location: Taylor Texas
Posts: 605
Default This might help

UMA makes the sensors that Garmin use in the G3 system. Might be best to contact UMA and ask them if one of their better sensors might work for your application.

I have replaced both temp and press sensors in my Dynon system. Seems like 250hrs is their life - but these are the cheaper type (used in auto aftermarket gages).

Good luck - let us know what to find.

Best,
Mark
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  #3  
Old 08-02-2017, 02:49 AM
Michael Wellenzohn's Avatar
Michael Wellenzohn Michael Wellenzohn is offline
 
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Location: Zuerich, Switzerland
Posts: 122
Default Oil temperature sensor ohm readings

Just for the record if anyone ever searches for oil temperature sensors here.
I received from AFS the following information regarding which Ohms do represent which temperature.

28C is around 700ohm and 100C is around 70ohm.

Cheers
Mike
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