Loss of power then black smoke when power returns - Ford Powerstroke Diesel Forum
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Old 07-08-2014, 06:18 AM
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Loss of power then black smoke when power returns

2004. On a load going up a hill the engine seems to cough. When the load drops off and I accellerate again I have no power at all. After a few seconds and I hit the peddle a few times power returns and I get a huge cloud of black smoke.
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Old 07-08-2014, 06:23 AM
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Do you have a way to monitor vitals? Sounds like the turbo may be sticking.
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Old 07-08-2014, 08:15 AM
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yes, I just replace my Edge Juice with their new module, the CS. It does have capability of data recording and on screen display.
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Old 07-08-2014, 09:05 AM
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Is the boost gradual and steady or does it fluctuate randomly and seem to stick?

You used Edge to tune? How's your transmission?
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Old 07-08-2014, 10:29 AM
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boost seems fine, no fluctuation. usually happens when going up a hill 18+ boost then I'll hit a flat spot and let off on the peddle. boost goes down to 0 then hit the peddle again and no response, then after a few seconds power back and lots of smoke. It has also happened when I was going very slowly again up a hill at a turn, stopped and then no power, I put it in neutral rev it up, blow the smoke then continue on, but it does "feel" like something is sticking.
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Old 07-08-2014, 10:59 AM
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Well your vanes COULD be sticking or a worn unison ring. Could also have an injector acting up. Throwing any codes?
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Old 07-08-2014, 01:20 PM
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has 275,000 miles all injectors replaces about 10,000 miles ago, stock turbo never replaced. New oil cooler and egr cooler about 25k ago.

Yes I'm getting a few codes in fact
P0272
P0275
P0404
P0603
P132B
sorry should have checked those earlier
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Old 07-08-2014, 02:17 PM
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When is the last time you cleaned your EGR valve?

Here is a code list.

http://www.edgeproducts.com/product_...cle-pdf-41.pdf
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Old 07-13-2014, 11:54 AM
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new erg about 10k ago when I did the injectors. I've ordered an upgraded turbo, hopefully that will fix the problem
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Old 07-14-2014, 09:41 AM
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it does sound like maybe your vanes are sticking. I hope the new turbo fixes your issues.

IF you want to donate your old turbo I have been wanting to try my hand rebuilding one just for kicks
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