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  #11  
Old 06-13-2017, 06:22 AM
texdog texdog is offline
 
Join Date: Jan 2013
Location: Fredericksburg, Tx.
Posts: 167
Cool Fuel pressure

What Dewey said is right on. Inside the oil door or take top cowing off and make sure it is grounded. They fluctuate a lot but mine is still working and fluctuating after 750 hours.
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  #12  
Old 06-26-2017, 08:06 PM
xcflyn xcflyn is offline
 
Join Date: May 2017
Location: Mancos, Colorado
Posts: 3
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I am still struggling with this. Here is where I am at. Grounds read good. Wires all good. Originally the GRT guy had me change few odd settings like xxxIII type stuff. Then we changed the FS settings to the parameters he felt were correct (625 & 55) . Then we concluded to put a new sender in and see if that fixed it. Which is actually called a transducer I believe. This is the expensive 12V solid state type. Put that in and it reads like crazy high numbers. Tried to fudge around with it, put a mechanical gauge on; 5psi set the SF# till the EIS read but then they don't actually follow the pressure correctly. I think the original setting he had me change was a bad idea as he originally thought I had the cheaper 4.8V sender. I can not remember what all he had me change in the original trouble shooting. Its not that it will not fly but I am a little weird about flashing lights and no real knowledge of where the fuel pressure is at. I have not tested my theory yet but I am pretty sure that plane will fly pretty good but for a very short amount of time if I loose fuel pressure. Can anyone tell me what settings I need to look at ? The web site only address's the low voltage sender set up so it is of no help. The GRT expert is off work for a few days and as nice as this looks I didn't buy it to be a hanger queen. I only got to fly a few tanks of fuel out of it before this and I am really bummed out. Any help is appreciated !
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