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Originally Posted by surfnobc2
ok so pump isnt holding pressure when its off ... time for a new one ..
everything else checked out .!
but the pump is 580 !!!!!
thanks for the help everyone
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I would'nt say its your pump that needs to be replaced. You'll need to open your upper Plenum and check for fuel washing inside there. It will have a gold tone color on the lower Plenum. Most times its going to be your fuel regulator that is leaking and causing the fuel pressure to go down. If not the regulator, then your fuel injectors. Either case. You'll need to check it out first.
Check out this thread to see what to look for.
http://www.automotiveforums.com/vbul...d.php?t=559014