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Old 04-25-2016, 06:03 PM   #1
Join Date: Sep 2009
Posts: 34
99 Chieftain 5.9 Cummins wont stay runing

Engine was running with reduced power so I changed filters it seemed to not be picking up fuel so I changed lift pump same thing if I get system primed it will run for a few minutes then die if you pull filter not on engine it is not full it acts like it wont pick up fuel from tank it has 3/4 does the supply line just go into tank or does it have some type of screen on the end can I blow air down the line.

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Old 04-25-2016, 08:26 PM   #2
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I would look for a pinhole in the line from tank to lift pump, I'm thinking it's sucking air in.

1997 Country Coach Intrigue Horizon 36' (The Dinosaur Burner)
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Old 04-26-2016, 08:04 AM   #3
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Yes that is on my list to track down I'm going to replace the water separator on bottom of filter housing also.
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