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Power Strokes
7.3 Tech
Major 7.3 Headscratcher
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[QUOTE="Marty, post: 1070459, member: 602"] Customer changes own oil, rotella jugs in bed. Regardless it has 15w40 in it. I have not tried a whole new harness but I have tested continuity from one end to the other, there is NO interruption. As stated above, the ICP 5 volt reference is within spec, per fordinstallersupport.com. Wiring looks fine, and unplugging injectors individually make the truck run with a miss, but the oscillation is still there regardless. It gives me cyl #8 as failing the contribution. However, I understand how a contribution test works and I do not think that has anything to do with my problem. Yes the injectors have been removed from the circuit individually. There is no change in oscillation, only a miss until that injector is plugged back in. I don't disagree with the above statement that I have put in bold. Well it doesn't look like I have anything to really go on. I mean the only thing here in the HPOIL system I haven't swapped out is the injectors... but individually disconnecting them from the system hasn't helped the case. [/QUOTE]
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