motor missing when cold 6.0 - Ford Powerstroke Diesel Forum
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post #1 of 8 Old 01-16-2010, 04:33 PM Thread Starter
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Smile motor missing when cold 6.0

When i start my 03 6.0 when it is cold it misses until it warms up. It has no power until it warms up. The other day I was going down the road and it just started slowing down and it finally stopped running. I took it to a mechanic an he said the high pressure oil pump was bad so he replaced it. It would start up but did not have the power it should. Can anybody help me. Thanks
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post #2 of 8 Old 01-16-2010, 04:38 PM
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He probably just threw it out there just to get money. 6.0s have this problem a lot I've noticed. Do some searching and digging. You should find it.



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post #3 of 8 Old 01-16-2010, 04:56 PM
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yeah, i got an 03 6.0 too. same stuff. try this, let it warm up before you drive it. no choking, all power. its a cold trbo, tranny and diesel engine. it needs heat my man!!!
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post #4 of 8 Old 01-16-2010, 06:13 PM
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FICM failing or some injectors are varnished up internally, would be my guess. What weight oil is in your truck, and what is the ambient temperature there? What do you consider 'cold'?

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post #5 of 8 Old 01-17-2010, 12:45 PM Thread Starter
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Why does the check engine light not come on. If it is missing or no power. Thanks
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post #6 of 8 Old 01-17-2010, 01:07 PM
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like big heat said its just cold. you gotta let a diesel warm up or it will run like chit! especially a 6.0 or 7.3 psd.. also what are you calling cold??

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post #7 of 8 Old 03-15-2011, 04:23 PM
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motor missing when cold 6.0

It's really a good thing to replace oil pump but I think you should focus more on the battery and alternator. It will be a good idea to run parasitic test.
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post #8 of 8 Old 03-15-2011, 04:40 PM
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Quote:
Originally Posted by Big Heat's owner View Post
yeah, i got an 03 6.0 too. same stuff. try this, let it warm up before you drive it. no choking, all power. its a cold trbo, tranny and diesel engine. it needs heat my man!!!
You are supposed to be able to take off cold without it running like crap. It's not recommended, but it's supposed to be able to do it. I agree with BigAngryHillbilly that it sounds like a ficm issue.

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