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Old 03-20-2013, 07:05 PM
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Reving up then idling rough

I did a search but couldn't find what I was looking for.
I have a 04 f350 all stoke except for a 5" exhaust. 108k miles
The other day I was driving through town and it was running fine the it started to accelerate on its owe I let off the peddle but it stayed at about 1000 rpms for a sec. Then it started idling rough. I changed the fuel filters and it seemed to help but then it did it again today while at a fast food drive through idled up for a sec then ran rough then it died. But started right back up. But idled rough all the way home. About a hour later I went out and it started up fine it ran fine for about 10 mins then started to do it again.
Any clue?

Thanks.
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Old 03-25-2013, 04:27 PM
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I ran the codes on my truck and all I got was P2285
Injector control pressure sensor
Circuit low.
Could this be causing my unusual problem?
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Old 03-25-2013, 05:18 PM
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Quote:
Originally Posted by phil.d.n. View Post
I ran the codes on my truck and all I got was P2285
Injector control pressure sensor
Circuit low.
Could this be causing my unusual problem?
YES check your icp sensor if it has oil in the plug you need to replace the sensor and plug. Is it a early 04 or late?
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Old 03-26-2013, 02:13 PM
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I'm not sure. How do I tell?
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Old 03-26-2013, 05:41 PM
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Quote:
Originally Posted by phil.d.n. View Post
I'm not sure. How do I tell?
I'm sorry i didn't get back sooner early 04 still has icp and ipr together in the back! late 04 has icp on passenger side valve cover.
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Old 03-27-2013, 04:18 PM
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Does this make a difference in the sensor I buy? Or just the difficulty in changing it?
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Old 03-27-2013, 04:44 PM
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Originally Posted by phil.d.n. View Post
Does this make a difference in the sensor I buy? Or just the difficulty in changing it?
Yes the sensor in the rear is different from the one on the valve cover
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Old 03-27-2013, 04:48 PM
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Under turbo use 3C3Z-9F838-EA. Right valve cover use 4C3Z-9F838-A.
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