A Little buck or Jerking feeling? - Ford Powerstroke Diesel Forum
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Old 05-08-2013, 07:27 PM
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A Little buck or Jerking feeling?

I have a 2006 6.0 with 190K. At around 1700 rpm and holding there is a slight bucking feeling and the needle fluctuates +/- 60 or so and I can't think of what it could be. It happens when the engine is cold warm and hot. I thought I wasn't let it idle long enough before I starting driving but it happens all the time. I am sure someone else has had this problem and knows what that deal is. Thank you in advance.
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Old 05-09-2013, 05:44 AM
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Most often an injector is failing or displaying as failing. Spool stiction most likely, but it could be a coil or wiring issue. Nozzle issues show up as either over-fuel or under fuel issues, but unless it is gross, you need to bench test for that.
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