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Old 12-10-2010, 10:21 AM
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Need Help

I pulled out of my street this morning and my truck would run really rough when I went more than 1/8 throttle. It idles fine and the truck was warmed up. I am throwing codes that injectors 1-4 check circuit. When it is at a stand still and you rev it it backfires around 2000 rpm. This happens with the stock tune and the xtreame street tune. Is this a failing FCIM? Please help!
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Old 12-10-2010, 11:44 AM
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click on the troubleshooting a no start condition in my signature and it gives you a test procedure for the FICM. Yes when you throw multipe injector codes it has been the FICM failing more often than not.
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Old 12-10-2010, 12:13 PM
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I just tested it and with the key in the on position it reads 48.6 but with the motor running it is only at 26. Does this mean the FCIM is bad?
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Old 12-10-2010, 01:12 PM
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Yep, it is bad... Try the resoldering before you plunk down the coin on a new one.
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Old 12-10-2010, 01:53 PM
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Is there a write u for that? And if I want to get a new one is there anywhere that sells them for cheaper cause ford wants 930 for everything
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Old 12-10-2010, 02:35 PM
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Here ya go...

FICM repair/upgrade
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Old 12-10-2010, 06:17 PM
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Does anyone know the best place to get a new one?
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Old 12-10-2010, 09:31 PM
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Quote:
Originally Posted by DieselFarmer6.0 View Post
Does anyone know the best place to get a new one?
Swamp's Webstore - Custom Electronics

Custom FICM Reprogramming
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Old 12-10-2010, 10:06 PM
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Thanks. What are the differences between the 58v hot and the 48 v?
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