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  #1  
Old 07-07-2016, 11:54 AM
n74846 n74846 is offline
 
Join Date: Sep 2015
Location: Boca Raton, FL BCT
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Default High Fuel Pressure Readings
Up until recently pressure was usually 5.x-6.x PSI. now I routinely see low 7's (in the yellow) with spikes into the 7.9-8.5 (red warning). Sometimes it stays there, other times it drops back to normal. Never low. Based on that I have not been to concerned, but as it is happening more frequently I am seeking advice. If it is not a bad sensor, does high pressure present a problem?
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  #2  
Old 07-07-2016, 03:04 PM
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DaleB DaleB is offline
 
Join Date: Sep 2012
Location: Omaha, NE (KMLE)
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Which avionics package do you have? Some of the fuel pressure sensors (like mine) have Fast-On terminals that can get loose and cause intermittent high pressure readings. Some have other types of terminals. I just needed to squeeze mine a little with some pliers and the alarms went away... until I put the new mechanical pump on, then I had to adjust the range on the Dynon.
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RV-12 # 222 N980KM "Screamin' Canary" (bought flying)
Fisher Celebrity (under construction)
Previous RV-7 project (sold)
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  #3  
Old 07-07-2016, 03:06 PM
Sink Sink is offline
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Location: Altha, FL.
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If this is a sudden occurrence then it is more likely a poor connection or sender. It would be rare to have the pressure increase after time versus decrease.
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Old 07-07-2016, 03:28 PM
n74846 n74846 is offline
 
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Location: Boca Raton, FL BCT
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I have a Skyview system, and bought it flying. I was told they were having problem readings and changed the Kavlico before purchase. 117 hours now.
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  #5  
Old 07-07-2016, 08:40 PM
RFSchaller RFSchaller is offline
 
Join Date: Oct 2010
Location: Phoenix, AZ
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I guess I'm the luckiest guy to ever build an RV-12: 478 hours and no fuel flow, fuel pressure or oil pressure sensor issues. I have the red cube, Honeywell oil pressure sensor and VDO fuel pressure sensor.
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  #6  
Old 07-08-2016, 03:47 PM
Jamesey Jamesey is offline
 
Join Date: Feb 2008
Location: Hartlepool, England
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Quote:
Originally Posted by RFSchaller View Post
I guess I'm the luckiest guy to ever build an RV-12: 478 hours and no fuel flow, fuel pressure or oil pressure sensor issues. I have the red cube, Honeywell oil pressure sensor and VDO fuel pressure sensor.
You should never have said that.
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  #7  
Old 07-08-2016, 09:31 PM
RFSchaller RFSchaller is offline
 
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Yeah, I'll probably regret it!🙈
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