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Old 01-31-2014, 09:47 AM
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58V FICM/White smoke?

Hey yall, im new to this site but it seems like its a good place to be if you own a powerstroke. I have an 06' 6.0 with just shy of 80k on the engine. Ive deleted the EGR, updated the oil cooler, as well as the blue spring update. Anyway, my factory FICM took a dump last week and I decided to upgrade to the 58v from Swamps since I was in the market for a new FICM. Well, upon installation she fired right up everything was reading normal, engine sounded healthy, and ran smooth. However, when im excelling from a dead stop or if I need to lay into it a little to pick up speed I've been getting white smoke out the exhaust for a few seconds. Its not just pouring out the pipes but it is a very noticeable amount for a couple seconds. After I get up to speed or pass 1600RPMS however it goes away. I've also noticed about a 1 mpg drop and from what i've read the 58v FICM generally increases mileage. My coolant levels havent dropped at all, injectors sound healthy, and I havent lost any power in the vehicle but white smokes never good. Is it possible the programming on the ficm that I purchased be bad? Im totally stumped at this point and would rather not dump her off at a shop and fork out a ton of cash for it to be something small i've over looked. Anybody have any ideas? Thanks yall.
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Old 01-31-2014, 11:14 AM

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Does it happen when its fully warmed up?

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Old 01-31-2014, 12:22 PM
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You may not have any actual mechanical issue at all. It may be you need to give a little more time for the new components to wear-in so to speak.

You could have a circuit not makeing good connection [wireing], or simply be a sluggish injector or stiction.

It isn't so much as the weak injector works any less it is every body else is working better and makes it seem that way.
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