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Old 02-19-2013, 11:13 AM
buch32 buch32 is offline
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Join Date: Aug 2004
Location: Centeral Ky.
Posts: 127
Originally Posted by buch32 View Post
Thanks to Barry12345 and Diesel911 for their help.....
Pressure @ idle = 11 psi but slowly goes back to zero....RPM @ 3000 pressure goes up to near 30 but returns to zero within 12 seconds while RPM remained @ 3000....TANK SCREEN WAS COVERED WITH WHAT LOOKED LIKE MUD.....Installed Stanadyne FM-100 5 micron filter between lift pump and prefilter...pressure now holds @ idle see photo's...

Attachment 108853Attachment 108851Attachment 108852
Liquid filed gauges installed in glove box....Barry12345 suggestion
Attached Thumbnails
Fuel pressure problem solved  '80 300SD-dscf0027.jpg   Fuel pressure problem solved  '80 300SD-dscf0028.jpg  
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