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  #1  
Old 05-08-2010, 05:39 PM
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Bad stutter/shudder

I've read through all the threads I could find, but can't seem to find a definitive answer.

Here's the deal, at ~1,400-1,600 rpms, if I start easing down on the go pedal to speed up without downshifting, the truck has a horrible shudder. It's kind of like when a gas burner is getting too much fuel, and not enough air. It's bad enough that it SHAKES the entire truck. I have to back out of it, and hit the go pedal enough to downshift. Anything over ~1,900 rpms is completely normal. Any ideas? Changed the fuel filters, and made no difference.
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  #2  
Old 05-08-2010, 06:15 PM
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Re: Bad stutter/shudder

Any codes?
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Old 05-08-2010, 07:47 PM
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Re: Bad stutter/shudder

You posted the RPM range, but did not say what gear. Is this in all gears or just in OD?
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Old 05-08-2010, 08:41 PM
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Re: Bad stutter/shudder

Don't notice it much through the gears, but in OD it feels like it'll shake the truck apart. Only code I get is for a faulty ECU in my overhead computer.
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Old 05-09-2010, 05:00 AM
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Re: Bad stutter/shudder

Check your injectors.... Mine did it bad in OD and I had to put a set of injectors in it.
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  #6  
Old 05-09-2010, 05:52 AM
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Re: Bad stutter/shudder

Mine did that right before it threw a code for an injector, if you were at a half throttle it felt like ya would shake apart, but when ya let off and put more into it, it would stop.... check all the connectors on your injectors when it's runnin... if you hit the right one, you will hear an audible pitch change... Just shut the truck off, and see if maybe it is just loose or you may need to replace it... Guys that worked on my truck just pulled the little U pin off, took it out, and put it back in... it had just worked its way out... Worth a shot, right...? Had me panicking that I would have to replace the injector, but someone here threw in checking that, and that's all it was. Good luck!!!
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Old 05-09-2010, 06:36 AM
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Re: Bad stutter/shudder

mine does the same thing.
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Old 05-09-2010, 06:41 AM
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Re: Bad stutter/shudder

Same here at 1500 rpm it shakes like hell
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Old 05-09-2010, 03:12 PM
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Re: Bad stutter/shudder

I am thinking you may have a problem with overdrive(transmission). Hopefully somebody with a little more knowledgle (Doug) will chime in.
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Old 05-10-2010, 11:51 PM
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Re: Bad stutter/shudder

if u find out what is wrogn with it let me know
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