6.0 RUNS ROUGH AT COLD STARTS. HELP??? - Ford Powerstroke Diesel Forum
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post #1 of 35 Old 04-26-2010, 08:08 PM Thread Starter
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6.0 RUNS ROUGH AT COLD STARTS. HELP???

my 2005 6.0 runs rough, like it's skipping after you crank it up, did it real bad during the winter, and it's been in the upper 50's , and low 60's in the mornings here lately, and it still doing it , till you drive it a couple of miles , and get the engine warmed up, then it smoothes up , and runs ok. i've taken it to my local dealership, let the truck sit overnite, so it will be cooled down, and they keep telling me that nothings wrong with it , just because it's not giving them any codes, when they hook it up, and they say it's running fine, when i know different. can anyone help me , or tell me what's causing this. i've cleaned my egr valve also. my truck is still under the 100k mile warranty, it just turned 94,000 today. any help or advice is appreciated. thanks, jason
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post #2 of 35 Old 04-26-2010, 08:12 PM
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I have a 2003, egr deleted and mine does the same thing to the tee! I read some where that it has something to do with the oil not getting to the injectors or something on a molecular level. I was told to use synthetic oil because it has smaller molecules and can get into the "hard to reach places" that the reg oil can't when the oil is cool.. that is why it runs better a few miles down the road.. anyone else have any input? btw, mine is a 2003 6.0 243000 miles.
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post #3 of 35 Old 04-26-2010, 08:13 PM
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when i took it to my ford dealership they reflashed the computer, and it still did it.
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post #4 of 35 Old 04-26-2010, 08:19 PM Thread Starter
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Quote:
Originally Posted by doubleh1 View Post
when i took it to my ford dealership they reflashed the computer, and it still did it.
they wouldnt re-flash mine. what you're saying makes sense, because mine ran like crap during coldstarts, in the winter, i added a block heater cord, plugged it up when temps got in the 30's or below, and it started up and ran way better.
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post #5 of 35 Old 04-26-2010, 08:23 PM
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same here.. but i was in so cal, and that is no climate to be considered a cold start.. i'm also want to know what the deal is.. maybe our trucks just have that quirk..
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post #6 of 35 Old 04-26-2010, 08:23 PM
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Like this??????? lol!


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post #7 of 35 Old 04-26-2010, 08:25 PM
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It's the FICM or fuel injector control module..
Common problem with the 6.0s... (that's what was wrong with mine)
Swamps diesel will get you what you need for about half the price and 3x better reliability

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post #8 of 35 Old 04-26-2010, 08:26 PM
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so how do you figure out which one it is?
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post #9 of 35 Old 04-26-2010, 08:28 PM
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Figure out which one it is what?

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post #10 of 35 Old 04-26-2010, 08:28 PM
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Ooooh.. I see what you're saying..
No, the FICM is the Fuel Injector Control Module..
Lol.. Sorry about that

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