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Old 10-12-2006, 06:30 PM
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aklim aklim is offline
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Join Date: Apr 2000
Location: Location: Greenfield WI, USA
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Quote:
Originally Posted by TMAllison View Post
The fuel line from the pre-filter to the fuel thermo DOES drain back on shutdown. This is normal.

Mine has a couple of very, very, very minute bubbles while running. So smalll and infrequent you are not sure if you saw them or not.
It does drain back a little and you are right, that is normal. However, I haven't seen bubbles in my lines during idle and certainly not of you are running on high rpm. YMMV.
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