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Power Strokes
7.3 Tech
Major 7.3 Headscratcher
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[QUOTE="Marty, post: 1082928, member: 602"] Yes, from all 8 injectors back to 42, to idm, to pcm. From icp sensor back to 5v ref, and ground, IPR the same. I have not changed the IDM but the truck passes buzz test and has continuity. I haven't swapped another harness in but I thought I was certain that couldn't be the cause since I already checked resistance and continuity to intended circuit. Truck runs well without issue, no strange white smoke at any RPM. No inherent miss, truck runs well, just has oscillating idle. :biggun: Yes it will smooth out, just like when you unplug the ICP and the IPR d/c goes up and "estimates" 725 psi. Ok will do tomorrow. [/QUOTE]
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