GREY SMOKE EVERYWHERE!!!! - Ford Powerstroke Diesel Forum
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post #1 of 6 Old 01-14-2014, 07:13 PM Thread Starter
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GREY SMOKE EVERYWHERE!!!!

So, I just finished my egr delete knowing that the truck was running rough and blowing grey smoke everywhere, even at idle.

I have checked the FICM voltages and it checked out good.

replaced #1 injector with brand new motorcraft

Replaced injector harness

Now, I am still getting a #1 contribution code and have called Ed at FICM repair.com. He told me that it could very well be a failed logic side of the FICM board. (very nice and informative by the way)

I have ordered a new FICM with the atlas 40 tune.

What I was wondering was if anyone had any ideas on if in fact it is the FICM or if maybe the injector is bad? something along those lines, although I have a hard time believing that a brand new injector with less than 500 miles is already shot.

Any input is greatly appreciated.

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post #2 of 6 Old 01-14-2014, 07:31 PM
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Does the smoke color change if you unplug the #1 injector while running?

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post #3 of 6 Old 01-14-2014, 07:36 PM Thread Starter
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I have not tried that. I may have to do that tomorrow. Do you think that the smoke would be less if I unplugged the injector because it wouldn't be fueling?

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post #4 of 6 Old 01-14-2014, 07:41 PM
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Not really less smoke but if it changes color, more than likely you have an issue with the new injector. Could be sticking open or possibly a cracked nozzle.

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post #5 of 6 Old 01-14-2014, 08:55 PM Thread Starter
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Okay. I'll be sure to check that tomorrow. It makes me think the FICM went out because the injector was fine up until like a week ago before I started to tear it down for the egr delete. I guess it could start sticking open or get a cracked tip at anytime though.


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post #6 of 6 Old 01-19-2014, 11:41 PM Thread Starter
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Well I got my truck fixed. Injector hold down had backed off. Put on a new copper washer and o rings and torqued it down. Good as new. And, the new FICM is awesome!


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