Injector Circuit Low- All 8 cylinders - Ford Powerstroke Diesel Forum
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Old 09-04-2013, 10:23 PM
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Injector Circuit Low- All 8 cylinders

Keep getting codes for all the injectors having low curcuit . had that code once before on #1 but when i connected the harness plug into the injector plug mounted in the rocker box, i had forced it on 180 degrees out and pushed in 3 of the four pins. anyone had this before or have an idea. im guessing i need to check voltage at FICM. code says the FICM senses an opoen circuit to injectors. that leads me to beleive a plug has come loose. just did head gaskets (cab off) behind my shop 3 months ago but running fine since then. tried to attatch pic of my setup i used for cab off. did all the work by myself. took a while
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Old 09-04-2013, 10:33 PM
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Yea I would say check the ficm. mine went south year or so ago
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Old 09-05-2013, 03:16 PM
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checked voltage on FICM. 48.5 volts dc.middle plug i dont think was all the way in cause it just kinda fell out. maybe problem solved
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Old 09-19-2013, 06:42 PM
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the problem got worse. anyone know what the ficm voltage is supposed to be while runing?
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Old 09-19-2013, 06:55 PM
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FICM voltage should be 48v when running.
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