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Power Strokes
7.3 Aftermarket
rpm issue
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[QUOTE="jeremiahmercier, post: 1065165, member: 5601"] I should be a little more clear, when I originally bought the truck (96) a few years ago, it would stumble pretty hard when coming to a stop, and act like it was goin to quit, also threw cps codes, but ran very smooth across all rpms, especially high rpms... Uneducated at the time, I bought the updated one, it immediately fixed the stumble coming to a stop and cps code, so I chunked the original one. Soon after I started noticing the higher rpm roughness, I have been told by several that a black cps would fix this, but of coarse, can't find em. I also get random cct codes when running cct, it'll go successfully several times, and others it'll fail random cylinders, that and the higher rpm roughness didn't start till took old original cps out. Trade off I guess, [/QUOTE]
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