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Runs rough and boost problem ideas?
So I have a 2004 f250 6.0 with 170,000 miles. Truck has had oil, oil filters, fuel filters changed 1000 miles ago with all motorcraft. Trucks has a new repaired ficm from Ed at ficm repair. Also has upgraded headstuds.
So I have a few problems. And I'm sure with a few causes just looking for ideas so I can do my research.
Problems are engine surging at idle seems to go away when driving. The surging doesn't push through the brake or anything but I can hear it when at a stop light. Also turbo doesn't seem to want to built boost I have a scangauge 2 and a sct Livewire. Have only ran it on stock tell I get these problems fixed. The truck seems runs fine before it gets to full operating temp. But after then it runs like crap. Also get a puff of white smoke on take off but only happens every once in a while hasn't happened in last three days. And lastly I noticed a odd vacuum like noise on the passenger side of the turbo
And help would be greatly appreciated