7.3 will not start hot - Ford Powerstroke Diesel Forum
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Old 06-12-2011, 02:21 PM
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7.3 will not start hot

hello everyone, I recently started haveing problems with my 02 powerstroke it starts and runs like a charm but after you shut it off when its warm after a decent amount of driveing say 15miles it will not restart just cranks wont even attempt to pop off untell it cools off for like a half hr. It then starts up like nothing ever happened. i have noticed that when it doesnt restart the injectors are not clicking my neighbors buddy tryed helping me take a reading off the injector harness of course it had power because it cooled off enough and started..... go figure he told me that it could be a IDM in the drivers fender or the ICP. any thoughts anyone? oh and the cam sensor is new

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Old 06-12-2011, 02:36 PM
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i also drove it home from the neighbors ran perfect and starts on a dime its only happing when its been run awhile): plz help!
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Old 06-12-2011, 09:47 PM
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How about IPR orings? i ran it awhile to troubleshoot some more it did the no start checked the hpop reservoir was full to the top and tryed unpluging the ICP to determine if it would start no different if i had leaking injector orings or a leaking IPR oring wouldnt it drain the reservoir out? anyone??
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Old 06-14-2011, 08:56 AM
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checked all pressures everything is normal the truck runs perfect did a injecter buzz test passed with flying colors thinking its electrical it was idleing for about an hr yesterday and i restarted it several times without a problem must be when the hood is down something is getting heat soaked and doesnt want to work. any ideas on wat it could be? maybe a bad connector?
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Old 06-15-2011, 06:44 AM
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We had a cat at work that use high pressure oil, the o ring on one of the injectors was broken, when the engine was hot the oil would just spray out and it could never build up enough oil pressure to fire the injectors.
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