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Jul 22, 2015 | 09:35 AM

john c Wilson

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Joined: Jul 2015

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6.0

have 2007 6.0, rouph idle starts, rouph and no power till engine reachs running tempeture,runs great after that.if engine is off for half hour,and restarted ,runs rouph again till engine temp is back again. any ideas ...wilson

Jul 22, 2015 | 09:38 AM

npccpartsman

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Joined: Dec 2003

Posts: 15,369

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From: Stuttgart, Ar

Injector stiction or FICM. You're going to need some kind of monitoring to get a good idea of what's wrong.

Are you using Motorcraft oil filter and what kind of oil are you running?

Jul 22, 2015 | 09:40 AM

mhoefer

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Joined: Jan 2005

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From: BC Canada

You need DashBoss or SG2. Start with FICM voltages.

Jul 22, 2015 | 06:51 PM

04badford

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Joined: Sep 2012

Posts: 7,833

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From: Manteca,Ca

your FICM needs to stay at 48.5 / 49. V , If I were you, check the Charging system = Alternator Volts do a bench test , Both Battery's Load test each separate, If you seeing FICM below 45v it's time for Ed to getcha going , But don't wait your Injectors will thank you