12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

Cruise control

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  #11  
Old 02-14-2016, 09:49 PM
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Yes. It seems like it has gradually gotten worse. For a while it would set and start to accelerate and if I accelerated with the pedal up about 7-10 mph and then let off it would settle back to where I set it and stay there. It has quit that now also.
 
  #12  
Old 02-15-2016, 05:01 AM
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I think you may have two separate issues with it. Mine began doing that when I started turning up the pump. It would also realize I'd reached a hill when I was halfway up it, at which point it had to hammer down twice as hard to get back up to speed. Then it wouldn't realize it was over the hill and cruising down the back until it was doing 30mph higher than it was set at. Annoying to say the least, more like cruise out of control. But as I said earlier, putting a restriction in the vacuum line to the cruise down by the headlight helps immensely, although I didn't do it myself and I'm not entirely sure exactly how my guy did it. But I think you have something else going on as well, because that dead spot is a new one to me.
 
  #13  
Old 02-15-2016, 12:48 PM
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Great! I always like to be original! Any idea what would be a good restrictive device? I would think it would be to small for any kind of valve.
 
  #14  
Old 02-15-2016, 04:54 PM
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I'll ask my guy what he puts in there. I've never been able to get an intelligible answer out of him.
 
  #15  
Old 02-18-2016, 05:03 AM
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Hm. He said he uses a mig welding tip. I'm not sure how one would go about fitting that in there, but then, I've never pulled the battery and looked at it.
 
  #16  
Old 02-18-2016, 12:17 PM
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I've got those. I guess I can try it and see what happens. Thanks for the info.
 
  #17  
Old 02-18-2016, 05:26 PM
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Let me know how it goes, because I'm still scratching my head a bit over it.
 




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