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7.3 issue after warm up

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Old Feb 18, 2022 | 04:03 PM
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7.3 issue after warm up

First I’d like to say hello and introduce myself..also I’m not sure if I’m posting in the right plus..I recently purchased a 01 7.3 all factory with 240k on the clock..I installed the hpx crossover and also changed the oil..Rotella 15w40..I also replaced the fuel filter..the truck has a weird issue with idle after it warms up…it sounds like a miss…I’ve checked the wire harness and I also have removed the injectors and put new o rings…I unfortunately do not have a scan tool to do a buzz test or contribution test..truck seems to run fine under acceleration and highway cruising…I also replaced the cps..truck only does this after it warms up..fires up easy as well..thanks in advance for any help and insight I’ve attached a video of what the issue is
 
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Old Feb 20, 2022 | 06:10 AM
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This might be better posted in the 7.3 diesel sub-forum. Find the appropriate chassis (E- or F-Series) and that might provide you better answers too.
 
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