[BUG] Phantom Fuel Line Bug?

[jkool702]

Hi all. I'm new to KSP but must say I really love the game.

I have a lander / mining craft for my refinery orbiting minimus. It has 6 engines, each connected to a stack of 2x T800 fuel tanks. 4 of the engines / fuel tank stacks are working properly, but 2 of them are doing something strange. One drains fuel twice as fast as it should, and one (the one 180 degrees across from it) doesnt drain fuel at all until the quickly draining one is empty. Obviously this perfectly describes the behavior of there being a fuel line attached between these two stacks of tanks, however no such fuel line exists in my craft! Has anyone else come across this issue and/or figured out a way to fix it?

Pictures:

http://imgur.com/J0E23lj,Yf9TqdG,kWbKuAY#0

http://imgur.com/J0E23lj,Yf9TqdG,kWbKuAY#1

http://imgur.com/J0E23lj,Yf9TqdG,kWbKuAY#2

EDIT: here's some more info

KSP 1.0.2

Windows 7 64 bit

unsure if KSP is 32 or 64 bit....sorry

link to craft file: https://www.dropbox.com/s/wt7v7s0q3sk1y2s/Minimus%20Ore%20Harvester.craft?dl=0

I just relaunched this ship into orbit and its doing the same thing....if anyone could try it out and tell me if this is a legitimate bug or if a fuel line is invisibly connected I'd really appreaciate it. The craft file includes the launch vehicle, but its only the lander on top that I care about. Thanks!

Edited June 18, 2015 by jkool702
Added Information