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Discussion Starter #1
Hello I am new here to Powerstroke nation. I have an early 2004 f350 6.0 its 4x4. The truck idles at 500 rpm it only shuts off after i have been driving above 65 mph for 10-15 min or more then as i start to hit the break and get to a lower speed is when it shuts off. i just put a new turbo, intake manifold, icp sensor, and egr delete in it. I am completely lost as to why this is happening it does not leave a code and the mechanic said that my IPR is good. Any help would be appreciated.
 

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What are you/the mechanic using to check codes? Do you have anything to datalog with?
 

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Discussion Starter #3
its not showing any codes he thinks it might be the wiring harness. im not sure if he is datalogging anything or not but im sure he is
 

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Keep an eye on the ICP voltage, actual, desired and IPR Duty Cycle.
Also, watch FICM voltages
 
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