Engine Miss, Stumbling - Ford Powerstroke Diesel Forum
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Old 07-26-2007, 06:07 PM
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Engine Miss, Stumbling

My truck has a miss to it. Here are a few details
1. Sometimes when im driving along and depress the clutch the motor will fall on its face, stumble around, doesnt stall then comes back to normal idle
2. Driving through town 3rd or 4th gear just bearly off idle keeping a constant speed you can hear and feel my truck miss and rock me back and forth.
3. When idling sometimes my tach and engine rpm will jump not very much it almost seems as if it clears itself out just for a second tach moves maybe 25-50rpm
4. When i get on it hard my truck stumbles almost seems like my clutch is slipping but once my turbo kicks in and i get into the higher rpm's seems to work itself out.

Now on to what i have already done to it.
1. New Southbend Con-O Clutch and Solid-Mass Flywheel ( Installed 500 Miles ago)
2. New 17* HPOP and IPR ( Installed 1000 Miles ago)
3. New CPS ( Installed 100 Miles ago)

I have been driving it like this for a couple of months now its just really start to annoy me and at times my truck just seems guttless. If i were to guess i probably have a shot injector or two. just wondering what you guys thought and if you think it is injector related, what usually goes wrong with these injectors and would a DIY Stage 2 Injector Kit fix whatever may be wrong with the injector.
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  #2  
Old 07-26-2007, 06:44 PM
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Could be a shot injector but it could also be o-rings. DIY's just include the parts you need to upgrade, not repair. (i had the same questions) However, rosewood does offer solenoids and such if you need them. If I were you I would run a buzz test and cyl contrib. test (if you have the resources to do so) and go from there.
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Old 07-26-2007, 06:49 PM
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yeah, dont really have the resources for those tests right now, as soon as school starts back up i can have my friend take it in to school
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Old 07-26-2007, 06:51 PM
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Just to be sure, were you having these problems before the new HPOP and such??
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Old 07-30-2007, 07:45 PM
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yeah, its been doing this since winter and its really starting to bother me
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