Long crank when cold but start fine after that - Ford Powerstroke Diesel Forum
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Old 08-02-2012, 09:05 AM
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Long crank when cold but start fine after that

I have a 06 ford f250 with a 6.0 the new version. I have had the truck for a year it has been doing this the hole time could it be sticky injectors or do I need to take to the dealer and have them check it I have no check engine light on or nothing but sems to run find after it starts. I don't sit there and lay on the starter tell it starts I crank for a few seconds then cycle the switch and repeat. I only have to do this twice then it fire up. But after it warm up it fine it fires right up just when it is cold
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Old 08-02-2012, 10:41 AM
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Mine was doing the same thing, except mine would start for a second and die. I had to replace the ICP sensor
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Old 08-02-2012, 11:19 AM
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What is the icp sensor and what is it function
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Old 08-03-2012, 05:58 AM
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the icp is the Injection control pressure sensor. It gives feedback and tells when to fire the injectors
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Old 08-03-2012, 07:43 AM
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Quote:
Originally Posted by dhkelley89 View Post
the icp is the Injection control pressure sensor. It gives feedback and tells when to fire the injectors
This is correct. If the ICP does not show a 500psi HP oil pressure reading to the PCM, the PCM will not command the FICM to fire the injector sequence.
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Old 08-03-2012, 08:03 AM
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Make sure you have motorcraft filters and caps.

Sent from my SCH-I500
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Old 08-06-2012, 12:35 PM
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Okay I just did my oil change I have all motor raft filters in fuel and oil both I also have vavaline blue in know 15/40 we will see if there is a change. I will let u all know wensday morning for sure
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Old 08-06-2012, 01:02 PM
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Got another question there is a pretty long delay from ideal to wide open would that be a symptom of the icp going bad
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Old 08-06-2012, 01:11 PM
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Quote:
Originally Posted by tigger19 View Post
Got another question there is a pretty long delay from ideal to wide open would that be a symptom of the icp going bad
If you mean acceleration, I would think sticking turbo vanes.

Sent from my phone that somebody didn't help me get.
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Old 08-06-2012, 03:12 PM
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Yea from a dead stop it seams to be a small delay from ideal to wot. And it seam to take it alittle while when driving it. I notic all of this while driving but just seating at home in drive way it fine. Maybe I should just take it to a dealer and have them scans and see what they say
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