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Old 04-20-2011, 05:35 PM
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FICM help

I have a 05 6.0 L and it runs ruff no matter the temp until the engine is warm. Even when its 78 degress outside it runs like its -50. Someone told me that its the FICM and it needs to be reprogramed to fix this issue.

Does anyone else have this problem and how do I fix it? When it runs bad it drinks diesel very fast. During this time it has no power and when changing gears it does very hard.
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Old 04-20-2011, 06:16 PM
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Have you pulled and codes using a good scan tool? You can check your FICM by following this link.
http://www.swampsdiesel.com/content/faq/ficm.htm
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Old 04-22-2011, 07:43 PM
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If the volts are low ummm. do i need a new one? Have you heard of the programing helping the no power when its cold.
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Old 04-22-2011, 07:53 PM
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If the voltage is low, it's junk. Reprogram won't help.
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Old 04-23-2011, 04:59 AM
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Get a Scangauge and find the problem with your truck, it could be many things causing it and it will also cause other problems.
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Old 04-25-2011, 04:10 PM
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ok so thanks to some help from you all I tested the FICM and its at 46-47 volts and did not drop at all. So maybe i have a injector problem. Or the program for the ficm needs to be updated is my guess and other ideas will be awsome thanks for your help
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Old 04-25-2011, 04:15 PM
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Quote:
Originally Posted by police251 View Post
ok so thanks to some help from you all I tested the FICM and its at 46-47 volts and did not drop at all. So maybe i have a injector problem. Or the program for the ficm needs to be updated is my guess and other ideas will be awsome thanks for your help
Checked the same when cranking engine also?
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Old 04-26-2011, 08:22 AM
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Check it with the engine cold, when cranking and when running. If it is still sluggish when cold and the FICM checks out good throw a couple bottles of Rev-X in the oil. Injector stiction causes similar symptoms.
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Old 04-26-2011, 12:42 PM
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Yep if FICM voltage is good probably have injector issues... Power Balance test or Injector Buzz test should isolate which ones..
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Old 04-26-2011, 01:57 PM
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I checked it cold and running and when just the acc is on and its all 46-47 volts. What does not make and sense is that it only runs like **** when its cold. It runs good after about 10 min or so.
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