Read up on leak tests, idle adjustments and plug chops.
Google is your friend, or search the forum.
How exactly could the pump cause a problem if it is not doing anything. Yeah, I know it would be running but it wouldn't be connected to anything. How do you disable it with out removing it? Is that by taking the gear out?
speedyslyder: You might need to be logged into Facebook, thats how I linked it. I don't know.