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Message: [QUOTE="ghohouston, post: 1092530, member: 9421"] thats gonna be my next step. i need to buy a fuel pressure tester. never had to buy one before, shop always had one, but now im a field mechanic. i assume harbor freight or somewhere like that would have the means of making one up? and i was thinking 65 was on up there for duty cycle while cranking. i suppose what you're getting at is if the truck has poor, or no fuel pressure, it ramps up the icp to try to combat the issue? what about the dc being at 15 percent koeo, is that normal? i work on these trucks less and less now, so everything i used to know by heart is getting faint. from what i do remember, my 2002 7.3 would idle around 12% duty cycle. ive been wondering if the ipr could be the issue. been contemplating just pulling it to disassemble and clean up. [/QUOTE]

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