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Cat D6K

DMiller

DMiller

Senior Member
Joined
Feb 21, 2010
Messages
16,558
Location
Hermann, Missouri
Occupation
Cheap "old" Geezer
Oil in fuel or fuel in oil? If oil into fuel suspect would be the high pressure pump which will have pressure lubrication feeding it.
 
DMiller

DMiller

Senior Member
Joined
Feb 21, 2010
Messages
16,558
Location
Hermann, Missouri
Occupation
Cheap "old" Geezer
Well that throws another wrench in, return to tank is where I expected to find the flow, may not be HP pump then.
 
D

d9gdon

Senior Member
Joined
Feb 12, 2010
Messages
1,517
Location
central texas
Somebody probably primed the new fuel filters with ATF, an old trick when they run out of fuel so they won't suck air and will pull fuel to the pump from the tank.

Anybody run it out of fuel lately?
 
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