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Swapped injectors on a 6.0 Ford this morning and it actually ran right the first time
Been chasing a misfire for two weeks on a 2005 F-350. Finally broke down and checked the FICM voltage, found it was dropping low under load, so I swapped it out before doing the injectors. Has anyone else had a bad FICM mimic a stuck injector?
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the_sean10d agoMost Upvoted
You sure it was the FICM and not just a coincidence? Ive seen low voltage cause all kinds of weird stuff on these 6.0s but a legit stuck injector usually shows up in a contribution test or balance rates. I had one where the FICM was putting out 40 volts cold and dropping to 36 under load, it made the truck run rough but not like a dead miss on one cylinder. You probably had two different problems going at once. The injector swap fixed one thing and the new FICM fixed the other.
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karen4109d ago
42 volts cold was my magic number, @the_sean, but you changed my mind on that one.
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