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Old 09-14-2018, 09:21 AM
mr.sun mr.sun is offline
 
Join Date: Aug 2006
Location: Wet, Western Washington
Posts: 101
Default High Fuel Pressure

I have about 1000 hours on my -7 behind an IO-360 and have been seeing intermittent high Fuel pressure as indicated by the SkyView. Yesterday's flight showed about 38 psi on run-up and after 30 minutes dropped back to the high end of the green. Pressure drops momentarily when I apply throttle and always drops after flying a while. After a fuel or lunch stop, while still warm, pressure still normal. Seems like the first run-up and take off for the day, I see high pressure. I have replaced the mech fuel pump and the VDO sensor (twice). I think I still have a bad sensor. Thoughts from the group?
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