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Fuel pressure sender

 
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Old 02-10-2019, 02:38 PM
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Fuel pressure sender

Has anyone used the Auber fuel pressure sender? If so which one. They have two different senders listed on their site.
https://www.auberins.com/index.php?m...roducts_id=271
https://www.auberins.com/index.php?m...roducts_id=149
 
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Old 02-10-2019, 05:55 PM
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Do you expect more than 75 psig? If so, go w/ the 100 psig sending unit. I don;t see over 75 psig on mine, but not all systems are the same.
 
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Old 02-11-2019, 01:54 AM
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I like having a gauge read in the middle of the senders operating range so nearest to that would be the 100 psi unit.
I normally run 68 psi. but have seen it spike to 85 during use.
 
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Old 02-11-2019, 02:10 PM
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From an instrumentation standpoint, IMO sensors and other electronic devices are not necessarily linear in their responses to inputs. They may have significant error readings in the low and/or high ends of their ranges; therefore, it is best to go with a mid-range reading at the normal operating range.
 
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Old 02-11-2019, 02:32 PM
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Error is typically quoted as a % of scale, but regardless, a few tenths of a psi on fuel pressure won't matter a hill of beans. In fact a few psia probably won't matter. As long as the pressure doesn't exceed the range, it is all personal preference.

Just as long as the fuel pressure is 50 psia or better at all conditions (including WOT) and that the gauge and sensor have room on the high side to see an abnormally high pressure that might be coming from an injector back pressuring he fuel system with combustion gas.
 
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Old 02-11-2019, 11:21 PM
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Based on the info received probably should go with the 100 psi sender that would read in the middle of scale.
 
 


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