New injectors!! No hpo psi.!!!! - Ford Powerstroke Diesel Forum
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Old 01-29-2013, 02:48 PM
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New injectors!! No hpo psi.!!!!

Changed all 8 sticks to 155's...drove truck a mile back to my house.turned on my street an put skinny pedal to the floor..she ran like a scalded ape!! It was ideling funny at home. Turned her off an tried starting her again. Turned over very fast like no resistance on engine.i have no high oil pressure psi...trying to figure out what let loose after I put my foot in it...


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Old 01-29-2013, 04:33 PM
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New injectors!! No hpo psi.!!!!

Update...cranked for app. 20 seconds.hpo psi slowly rose an it cranked..runs rough at idle and hardly any power with a lot of black smoke when accelerating..


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Old 01-29-2013, 04:37 PM
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sounds like a high pressure oil leak
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Old 01-29-2013, 04:44 PM
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New injectors!! No hpo psi.!!!!

I agree..icp voltage is .20 at koeo..and same cranking...gunna pull icp in morning an inspect an test. Fingers crossed its that simple that It may be stuck partially open!!


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Old 01-29-2013, 04:53 PM
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How did the Stand pipes Look and the Dummy Plug ? I Just did 8 Injectors but had to get the Updates standpipes cause the Orings looked terrible . Just a thought
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Old 01-29-2013, 05:19 PM
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New injectors!! No hpo psi.!!!!

We didnt change them. I had to leave for work and a mechanic buddy changed injectors. I wasn't thinking and didnt order the updated items. My bad.will see where pressure loss is tomorrow afternoon..


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Old 01-29-2013, 06:52 PM
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hmm. hope he seated the oil rails into the injectors before tightening them (the rails) down
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Old 01-30-2013, 03:44 AM
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New injectors!! No hpo psi.!!!!

Will pull ipr an check/test.go from there.hope it's that easy!!!!


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Old 02-03-2013, 07:06 AM
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New injectors!! No hpo psi.!!!!

We did leak test. Air coming thru oil filler tube...Ipr energized and screen was very clean..so that is good and ruled out..took rail off and inspected dummy plugs and stand pipe.. Orings look good..so far I don't see any problems.. We have not pulled each newly rebuilt injector yet. Is there an oring that seals each injector to the cone on bottom of rail? Thanks, Todd


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Old 02-03-2013, 07:37 AM
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yes.. And there are also copper washers that seal the injector to the injector cups in the head... Make sure you didn't "leave" the old copper washer(s) in the cups when replacing the injectors. also the oil rail that goes on top the injectors- you want to "press" the oil rail into the injectors(you might have to give a good hit to it in order for it to go in the injectors)- basically make sure oil rail is flush with the head where the torx bolts go into, once they are you can tighten the oil rail down... Just a thought to your no start- this was my problem when i first learned to change my injectors and made a mistake with this. I didnt see that he torqued everything down to specs? did he do the correct procedure for injectors and oil rails?
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