1994.5 - 1997 7.3L Power Stroke Diesel

rough idle

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Old

May 23, 2010 | 05:33 PM

#1

rulydog

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rough idle

any ideas why my 97 f350 is idling rough when coming to a stop? it stalls sometimes too! could it be something with the vaccum? brake booster?

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Old

May 23, 2010 | 05:45 PM

#2

F350-6

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Joined: Mar 2007

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From: Texas

Welcome to FTE. Any mods done to your truck? First thing to check is your engine oil. Is it full, not overdue for a change, and a diesel rated 15w-40?

How long has this been going on and was there any work done to it before it started happening? Does your check engine light come on when it idles rough? Try unplugging the ICP sensor while it's idling rough and see if it smooths out any.

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Old

May 23, 2010 | 05:49 PM

#3

Action4478

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Need to copy & paste this ...

Good post Chris...

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Old

May 23, 2010 | 07:45 PM

#4

Brown Falcon

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Joined: Jul 2008

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From: Thomasville, GA

Check your fuel pressure at idle also. Should be between 50psi and 80psi. If it's lower it could contribute to the problem.

Changed the CPS at all?

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Old

May 24, 2010 | 05:55 AM

#5

48' fordster

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Joined: Sep 2005

Posts: 837

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From: Standish ME

Just throwing it out there....could be injector O-rings. Look in your fuel bowl and see if there are any black particles in the fuel.

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Tags

1997, 2010, 350, 64, 73, 97, diesel, engine, erratically, ford, idle, idles, rough, stalls, surging, truck

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