Are 6.0 cold natured? - Ford Powerstroke Diesel Forum
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Old 03-22-2012, 09:45 AM
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Are 6.0 cold natured?

Looking at a 6.0 and the guy said the first couple minutes you start the truck its a little rough then it runs fine? Is this true or is it the ficm or injector problem?
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Old 03-22-2012, 09:48 AM
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Not cold natured at all. It might be Sticktion. Itss very common in the 6.0. Hard to say without more info.
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Old 03-22-2012, 09:55 AM
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Quote:
Originally Posted by wv_mtns View Post
Looking at a 6.0 and the guy said the first couple minutes you start the truck its a little rough then it runs fine? Is this true or is it the ficm or injector problem?
Be ready to spend some cash on injectors. With known good injectors and FICM these trucks should start and run smooth as silk. If there is any misfire or rough running theres gonna be something wrong. Sorry...
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Old 03-22-2012, 10:08 AM
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Rough running specially in cold weather is common.
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Old 03-22-2012, 10:19 AM
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If it's taking a couple minutes and not seconds I say there is a problem. Even in the coldest conditions.
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Old 03-22-2012, 10:30 AM
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He didntt say it takes minuets to start. He said it.runs rough for a few minuets.
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Old 03-22-2012, 10:31 AM
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This is what he said to me. " On cold start-up it has a slight miss for the first mile or so above 2,000 rpm. After it runs a min. It's fine."
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Old 03-22-2012, 10:35 AM
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Mine is somewhat cold natured I would say. It never has trouble starting, it always fires right up. But for 5-10 minutes of driving, she generally feels kind of stiff. Usually I keep my RPMs below 2,000 until the oil temp hits about 125 degrees. No misses or anything, just cold natured. I think every 6.0L I've been around is that way. I wouldn't view it as a serious problem unless its just struggling to start and chugging hard at an idle.


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Old 03-22-2012, 10:35 AM
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mine did that and it was an injector screwing up.
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Old 03-22-2012, 10:46 AM
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All that is contributed to sticktion. Itss probably the most common issue with the 6.0. Find out what type of oil he is running and check for.codes after driving it. T6 and some rev-x or ar9100 should clear it right up.
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