Quote:
Originally Posted by Jeremy5848
Since removing the ALDA had no effect, the problem obviously isn't there, in which case I might as well put it back on. I'll first remove the seal and try a 1.5 turn CCW adjustment.
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Well... don't be too quick to dismiss the IP. WIth the ALDA removed, press down on the plunger. It should easily move up & down, and be under spring pressure. I've heard of the rod getting corroded so it was "stuck" in the down position, so it would never increase fueling. This is a long shot, but worth a try. It's also possible the pump is just way low on fuel delivery and needs a bench calibration (again, not too likely.)