Posted 9/30/2011 22:13 (#1985837 - in reply to #1985808) Subject: RE: 4640 running rough--Update
Wallis, TX
Yep, changed filters, checked fuel pressure, above 15 (pegged out 15 psi guage), checked return line, OK & fuel is returning to tank at all speeds. Checked fuel flow to transfer pump, full flow when I took line off. Hand pumping transfer pump doesn't change anything.
4640 running rough--Update
