6.0 Contribution, New Injectors. Still dead.. - Ford Powerstroke Diesel Forum
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Old 05-11-2013, 03:20 PM
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6.0 Contribution, New Injectors. Still dead..

Hello guys I'm dealing with a big problem. Driving back home on the highway I started hearing a tick then smoke then my truck died. I checked codes on my programmer and had cylinder contribution number two fault. I managed to get it to start and I heard the tick around cylinder 2. It was baffling white smoke so I got it towed. After some info I decided to replace ALL 8 injectors since I had low injector pressure code on for a while. Replaced all injectors with new Bosch, installed new batteries and it cranked up. Had a little smoke then it cleared out. No codes. No problems. I took it to get a pm done on it and halfway down the road major tick again then death. Checked codes. "cylinder contribution 2" and thats it. Managed to crank it up again same problem. Massive white smoke, fuel tick on cylinder 2 and no power

Hhheeeeelllppppp!
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Old 05-11-2013, 03:58 PM
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Im still a little short on knowledge on what exactly goes bad to cause them to flow uncontroled like that ( i lost one, and it did the same thing) but the only two things I would think that would eat a new injector the same way it did the old one would either be, a problem with fuel delivery, or a bad FICM. I wouldnt think fuel, because usually its the rear most injectors that suffer from lack of fuel. But then again, you never know, strnger things have happened.
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Old 05-11-2013, 04:12 PM
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Check compression on that cylinder.


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Old 05-11-2013, 04:39 PM
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Probably would be a good ideal to visually inspect push rods, rockers, and valves on that cylinder.

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Old 05-12-2013, 10:28 AM
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After going through this myself with cyl 6 we through all we could at it. Swapped ficm's, changed the injector, and injector harness. To no avail, I went to another shop and they told me in 30 seconds. They pulled the Ficm fuse then started. The truck had a noticeable hiccup. They did a leak down on cyl 6 which came back as a leaking intake valve. Well unfortunately the damage on mine was very severe and required a new bottom end due to cylinder wall damage
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Old 05-12-2013, 11:39 AM
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Compression test. Sounds like the EXACT symptoms my customer had and we ended up doing a long block swap because something went through the motor and destroyed number 8.
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