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1994.5 - 1997 7.3L Power Stroke Diesel  

Idle Surge ?????

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Old Dec 12, 2007 | 05:27 PM
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Idle Surge ?????

I Was Wondering I Have A 96 Psd And When The Motor Is Cold It Runs Great But When It Gets Warm It Has A Idle Surge. Sounds Like A Big Cam In A Car. When You Tap The Throttle It Goes Away For A Few Sec And Comes Back. I Replaced The Cps And That Didnt Help. I Changed All The Fluids And Filters And That Didnt Help Either. What Next.???????????????
 
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Old Dec 12, 2007 | 06:14 PM
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Those symptoms are from an internal HP oil leak..If the oil is full , you most likely need new IPR o Rings..A scanner capable of reading live data, will tell you for sure...
 
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Old Dec 12, 2007 | 07:02 PM
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Is This Hard To Fix And Were Are The O-rings Located. Will This Hurt Anything Driving It This Way.
 
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Old Dec 12, 2007 | 07:10 PM
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Originally Posted by PAVEMENTMAN
Is This Hard To Fix And Were Are The O-rings Located. Will This Hurt Anything Driving It This Way.
Not hard to fix ..If it is the IPR eventually, you will get a no start..


Look here....
 
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Old Dec 12, 2007 | 07:23 PM
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Do You Think That Is What It Is For Sure Or Just Guessing. Will This Bring Up A Code??? Some People Told Me It Might Be A Valve Cover Gasket Shorting Out When Hot.
 
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Old Dec 12, 2007 | 07:34 PM
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If it is the IPR
Guessing....(Based on experience)
Do You Think That Is What It Is For Sure Or Just Guessing.
Guessing....(Based on experience)

If I was there With my scanner I wouldn't be guessing...

The IPR O rings are one of the easiest & cheapest tests..

If it was the wiring ,It wouldn't go away by tapping the pedal..

Tapping the pedal raises the ICP ....
 

Last edited by Action4478; Dec 12, 2007 at 07:40 PM.
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Old Dec 12, 2007 | 08:19 PM
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Is It An Easy And Cheap Fix.???
 
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