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Power Strokes
7.3 Aftermarket
bad idle when hot
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[QUOTE="Dieselboy., post: 357169, member: 1232"] The HPOP could actually cause that. However listening to the vid and the symptons. It did EXACTLY what my injectors did when they failed. Cold, idled like a dream. Off idle it drove fine. WOT pulled like a muther. However at warm idle it chugged, shook, rocked, and stumbled, with a slight sligh miss if you will. No amount of tuning will fix a mechanical issue. However just to be safe. I would start with the easiest things first. Check your IPR, ICP. Scan the truck for any soft codes. CCT and Buzz test (althought thats not the best way to determine) a rotational velocity test on AE I believe is a good test. Check UCVH connections. If you do the buzz test make sure its after the truck has sat overnight and hasnt ran. Otherwise once its been cranked or fired it will free up the selenoids. Therefore it wont be an accurate test. CCT if it shows a bad hole, pull that injector I guess and swap it. See if the code follows. That being said the CCT test shouldnt really be used to determine if an injector has failed for a few reasons. But your symptoms sound exactly like mine. I drove the truck for a few weeks, which is porbably why they were so ***d when Nate finally got them. [/QUOTE]
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bad idle when hot
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