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Power Strokes
7.3 Aftermarket
Diagnosis Help
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[QUOTE="strokin'_tatsch, post: 1045025, member: 7"] Is the truck losing any oil? Any oil in the fuel system??? Is the fluctuation in ICP when it is idling rough greater than normal? If this started when the injectors were installed and has gotten worse, I'd start by checking that and ohm the electronics. If the wiring ohms OK, I'd yank the injectors and have them checked out by the vendor if you can afford the downtime. I've seen injector o-rings cause a very rough running condition when cold and then smooth out a bit once warm, but the truck was still low on power. That's where I'm leaning towards so far. A cut external o-ring or possibly some messed up internal o-rings. Even though internal o-rings don't fail very often, it is possible for them to be damaged during assembly.. [/QUOTE]
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