Rough Idle and driving - Ford Powerstroke Diesel Forum
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post #1 of 2 Old 02-10-2012, 04:01 AM Thread Starter Rookie
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Rough Idle and driving

I've had my powerstroke for 3 years and have replaced EGR cooler(put in delete kit), head gaskets, FICM, oil cooler, radiator, and high pressure oil pump. It is a 2004 F-250 6.0 Crew Cab. For the longest time and it happens randomly my truck allowing it to idle for a while( doesn't matter if its hot or cold) will idle really rough and shake the truck. I can try to take off and it will barely go until I get enough boost from the turbo. After I accerate to the speed limit or a little higher it will clear up and run fine. Also keep in mind there is no smoke when it happens that I can see. And then other days it runs 100% fine with no problems. Any ideas? I thinking injector but I'm not sure. Thanks for any advice.
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post #2 of 2 Old 02-10-2012, 06:27 AM
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Sounds like it might be the oil you are running, synthetic? might be stiction, do a search on REV-X.

Try plugging the block heater in and see if that helps.

Check FICM voltage when the truck is cold in the morning, KOEO, cranking and engine running.

2004 F350 ECSB Powermax, 4" turbo back with muffler, SCT Livewire w/ SRL, ARPs, EGR delete, Spring, Banjos, some other zoodads

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6.0 problems , rough idle , rough running

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