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post #1 of 3 (permalink) Old 04-13-2019, 06:10 PM Thread Starter
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ICP Issue

2004 F350 6.0; I had a bad #1 fuel injector so I tore it down and replaced it. With the ICP plugged in the engine turns over hard making the starter skip. With the ICP unplugged it starts fine....

I change the ICP and pigtail and have the same issue.

Scratching my head, please help.

Brian
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post #2 of 3 (permalink) Old 04-13-2019, 06:38 PM Thread Starter
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Re: ICP Issue

Also to be noted when it is running and I plug in the ICP it dies immediately.
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post #3 of 3 (permalink) Old 04-16-2019, 12:24 PM
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Re: ICP Issue

Is this problem with the ICP new since you changed the #1 injector, or did it exist before? If it's only since you did the replacement, I would re-trace your steps and see if you may have left off a connector, scraped off some wire insulation, angered a truck god....something. If it was there before, then I would still be looking at the wiring, only I wouldn't have a starting off point, so I'd probably begin with the ICP harness. Finding an intermittent short/open can be a real pain, but that's what I'm thinking. Never heard of these exact symptoms before. Maybe someone else will have a good suggestion. Good luck to ya!

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