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CATEGORY LISTINGS > CUMMINS > n-14's hunting at idle [ REFRESH ]
Thread Title:

n-14's hunting at idle


Created On Thursday October 07, 2010 12:33 Diesel Talk
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QUALITYTRUCK
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Note Thursday October 07, 2010 12:33 View thread in raw text format
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have had a few celect plus engines in the shop that hunt or lope at idle.check valve in plate replaced,injectors replaced,valves adjusted,injector adjustment at 2 flats.no starting problems.no cel's.no performance issues.fuel psi 18 at idle,25 psi at 11-1200 rpm.any idea's?
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Ed1
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Note Thursday October 07, 2010 16:34 View thread in raw text format
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Ed1
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Note Thursday October 07, 2010 16:36 View thread in raw text format
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n14 should have around a 150 psi fuel pressure
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westcoast
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Note Friday October 08, 2010 02:26 View users profile View thread in raw text format
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Ed1 is right 25 psi minimum at cramking - 120 psi at 1200 rpm and anywhere between 150 to 180 psi at full load , check your pump regulator Regards David

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detroit
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