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Welcome to the Ford Powerstroke Diesel Forum, the fastest growing Ford Diesel Community on the internet! You are currently viewing our boards as a guest which gives you limited access to view most discussions and access our other features. By joining our free community you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is fast, simple and absolutely free so please, join our community today! If you have any problems with the registration process or your account login, please contact contact us |
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LinkBack | Thread Tools | Display Modes |
06-01-2007, 02:37 PM
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99 E350 7.3 Idles rough, boggs down when accelerating
Last week the motor would idle rough. Wait a few minutes and it would smooth out. I left a job and the motor idled rough and ran rough, couldn't get up to speed. Lose of power and lots of white smoke. Couldn't get over twenty mph. Mile down the road it smooth out again. Checked the wiring harnesses under the valve covers (ok). No visible leaks. Check engine light came on briefly , no codes to be found. The white smoke issue one week later seems to be gone. Disconnected the ops and the motor & it smooth itself out, not perfectly. Grasping for straws need help!! ( I'm a novice when it comes to diesels).
Last edited by DDFII : 06-01-2007 at 02:41 PM. 
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06-01-2007, 02:42 PM
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ops? I would check the ICP. It is on the front of the driver side head. Unplug that and see if the idle improves.
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06-01-2007, 02:49 PM
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excuse my ignorance but what is the ICP?
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06-01-2007, 02:51 PM
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It is the injector control pressure sensor. It is what the computer uses to tell injector pressure so it can adjust the oil flow to the injectors to increase or decrease pressure.
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06-01-2007, 02:56 PM
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Thanks for the help I'll try that tomorrow. I appreciate the help!!
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06-01-2007, 02:57 PM
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No prob. Let us know what happens.
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07-13-2007, 06:23 PM
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I'm having the same problem with a 2000 e350 with 280k, just got a new injector, picking it up from the shop tomorrow we'll see how it goes. any luck yet? anyone have any experience with this?
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07-16-2007, 05:58 AM
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The problems with my motor were solved simply by replacing the fuel filter.
The semi clogged filter caused the rough idle, white smoke etc. Hope this helps! DDFII
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